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Xu Meilan
| Research Faculty of Agriculture Fundamental AgriScience Research Agrobiology and Bioresources | Postdoctoral Fellow |
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■ Papers- Preferential induction of the Dt2 gene in the absence of E1 function enhances semi-determinate stem growth in soybean.
Ryoma Takeshima; Shohei Nosaki; Meilan Xu; Kenta Nakashima; Shin Kato; Maria Stefanie Dwiyanti; Tetsuya Yamada; Baohui Liu; Jun Abe
Journal of experimental botany, 77, 14, 4476, 4492, 29 Jul. 2026, [Peer-reviewed], [International Magazine]
English, Scientific journal, Suitable plant architecture is a key factor in maximizing crop yield, and stem growth habit is a crucial characteristic of architecture in soybean. Here, we investigated the combined effects of the Dt2 gene, which produces a semi-determinate growth habit, and a loss-of-function e1-nl allele of the floral repressor E1. Comparisons among near-isogenic lines with different maturity genotypes indicated that the loss or repression of E1 function enhanced the effect of Dt2 on main-stem node numbers. Dt2 expression in stem tips was up-regulated in early growth stages under long-day conditions by the Dt2 and e1-nl alleles in an additive manner. Additionally, an Arabidopsis APETALA1 ortholog was highly up-regulated in a Dt2/e1-nl line. EMSAs revealed that the E1 DNA-binding domain bound to several genomic sites harboring key polymorphisms that differentiate Dt2 from dt2 alleles. One of these sites had different transcription activities between the Dt2 and dt2 alleles, and these activities were repressed by E1. Taken together, our results suggest that the Dt2 allele confers semi-determinacy by being preferentially induced when released from the repression by E1. The allelic combination of Dt2 and e1-nl confers a distinct semi-determinate phenotype, which would facilitate the use of the Dt2 allele, particularly under long days at high latitudes. - Overcoming the genetic compensation response of soybean florigens to improve adaptation and yield at low latitudes.
Xiaoming Li; Chao Fang; Yongqing Yang; Tianxiao Lv; Tong Su; Liyu Chen; Haiyang Nan; Shichen Li; Xiaohui Zhao; Sijia Lu; Lidong Dong; Qun Cheng; Yang Tang; Meilan Xu; Jun Abe; Xingliang Hou; James L Weller; Fanjiang Kong; Baohui Liu
Current biology : CB, 31, 17, 3755, 3767, 13 Sep. 2021, [Peer-reviewed], [International Magazine]
English, Scientific journal, The classical soybean (Glycine max) trait long juvenile (LJ) is essentially a reduction in sensitivity to short-day (SD) conditions for induction and completion of flowering, and has been introduced into soybean cultivars to improve yield in tropical environments. However, only one locus, J, is known to confer LJ in low-latitude varieties. Here, we defined two quantitative trait loci contributing to the LJ trait, LJ16.1 and LJ16.2, and identified them as the florigen (FT) homologs FT2a and FT5a, respectively. The two selected florigen variations both delay flowering time under SD conditions by repressing the floral meristem identity gene GmAPETALA1. Single mutants have a relatively subtle effect on flowering time and displayed a substantial genetic compensation response, but this was absent in ft2a ft5a double mutants, which showed an enhanced LJ phenotype that translated to higher yields under SD conditions. A survey of sequence diversity suggests that FT2a and FT5a variants have diverse origins and have played distinct roles as soybean spread to lower latitudes. Our results show that integration of variants in the florigen genes offers a strategy for customizing flowering time to adjust adaptation and improve crop productivity in tropical regions. - Characterization of the Ghd8 Flowering Time Gene in a Mini-Core Collection of Miscanthus sinensis.
Zhihui Guo; Meilan Xu; Hironori Nagano; Lindsay V Clark; Erik J Sacks; Toshihiko Yamada
Genes, 12, 2, 19 Feb. 2021, [Peer-reviewed], [International Magazine]
English, Scientific journal, The optimal flowering time for bioenergy crop Miscanthus is essential for environmental adaptability and biomass accumulation. However, little is known about how genes controlling flowering in other grasses contribute to flowering regulation in Miscanthus. Here, we report on the sequence characterization and gene expression of Miscanthus sinensisGhd8, a transcription factor encoding a HAP3/NF-YB DNA-binding domain, which has been identified as a major quantitative trait locus in rice, with pleiotropic effects on grain yield, heading date and plant height. In M. sinensis, we identified two homoeologous loci, MsiGhd8A located on chromosome 13 and MsiGhd8B on chromosome 7, with one on each of this paleo-allotetraploid species' subgenomes. A total of 46 alleles and 28 predicted protein sequence types were identified in 12 wild-collected accessions. Several variants of MsiGhd8 showed a geographic and latitudinal distribution. Quantitative real-time PCR revealed that MsiGhd8 expressed under both long days and short days, and MsiGhd8B showed a significantly higher expression than MsiGhd8A. The comparison between flowering time and gene expression indicated that MsiGhd8B affected flowering time in response to day length for some accessions. This study provides insight into the conserved function of Ghd8 in the Poaceae, and is an important initial step in elucidating the flowering regulatory network of Miscanthus. - A Soybean Deletion Mutant That Moderates the Repression of Flowering by Cool Temperatures.
Jingyu Zhang; Meilan Xu; Maria Stefanie Dwiyanti; Satoshi Watanabe; Tetsuya Yamada; Yoshihiro Hase; Akira Kanazawa; Takashi Sayama; Masao Ishimoto; Baohui Liu; Jun Abe
Frontiers in plant science, 11, 429, 429, 2020, [Peer-reviewed], [International Magazine]
English, Scientific journal, Ambient growing temperature and photoperiod are major environmental stimuli that summer annual crops use to adjust their reproductive phenology so as to maximize yield. Variation in flowering time among soybean (Glycine max) cultivars results mainly from allelic diversity at loci that control photoperiod sensitivity and FLOWERING LOCUS T (FT) orthologs. However, variation in the thermal regulation of flowering and its underlying mechanisms are poorly understood. In this study, we identified a novel mutant (ef1) that confers altered thermal regulation of flowering in response to cool ambient temperatures. Mapping analysis with simple sequence repeat (SSR) markers located the mutation in the upper part of chromosome 19, where no QTL for flowering has been previously reported. Fine-mapping and re-sequencing revealed that the mutation was caused by deletion of a 214 kbp genomic region that contains 11 annotated genes, including CONSTANS-LIKE 2b (COL2b), a soybean ortholog of Arabidopsis CONSTANS. Comparison of flowering times under different photo-thermal conditions revealed that early flowering in the mutant lines was most distinct under cool ambient temperatures. The expression of two FT orthologs, FT2a and FT5a, was dramatically downregulated by cool temperature, but the magnitude of the downregulation was lower in the mutant lines. Cool temperatures upregulated COL2b expression or delayed peak expression, particularly at the fourth trifoliate-leaf stage. Intriguingly, they also upregulated E1, a soybean-specific repressor of FT orthologs. Our results suggest that the ef1 mutation is involved in thermal regulation of flowering in response to cool ambient temperature, and the lack of COL2b in the mutant likely alleviates the repression of flowering by cool temperature. The ef1 mutant can be used as a novel gene resource in breeding soybean cultivars adapted to cool climate and in research to improve our understanding of thermal regulation of flowering in soybean. - Functional divergence between soybean FLOWERING LOCUS T orthologues FT2a and FT5a in post-flowering stem growth.
Ryoma Takeshima; Haiyang Nan; Kohei Harigai; Lidong Dong; Jianghui Zhu; Sijia Lu; Meilan Xu; Noriko Yamagishi; Nobuyuki Yoshikawa; Baohui Liu; Tetsuya Yamada; Fanjiang Kong; Jun Abe
Journal of experimental botany, 70, 15, 3941, 3953, 07 Aug. 2019, [Peer-reviewed], [International Magazine]
English, Scientific journal, Genes in the FLOWERING LOCUS T (FT) family integrate external and internal signals to control various aspects of plant development. In soybean (Glycine max), FT2a and FT5a play a major role in floral induction, but their roles in post-flowering reproductive development remain undetermined. Ectopic overexpression analyses revealed that FT2a and FT5a similarly induced flowering, but FT5a was markedly more effective than FT2a for the post-flowering termination of stem growth. The down-regulation of Dt1, a soybean orthologue of Arabidopsis TERMINAL FLOWER1, in shoot apices in early growing stages of FT5a-overexpressing plants was concomitant with highly up-regulated expression of APETALA1 orthologues. The Dt2 gene, a repressor of Dt1, was up-regulated similarly by the overexpression of FT2a and FT5a, suggesting that it was not involved in the control of stem termination by FT5a. In addition to the previously reported interaction with FDL19, a homologue of the Arabidopsis bZIP protein FD, both FT2a and FT5a interacted with FDL12, but only FT5a interacted with FDL06. Our results suggest that FT2a and FT5a have different functions in the control of post-flowering stem growth. A specific interaction of FT5a with FDL06 may play a key role in determining post-flowering stem growth in soybean. - Characterization and quantitative trait locus mapping of late-flowering from a Thai soybean cultivar introduced into a photoperiod-insensitive genetic background.
Fei Sun; Meilan Xu; Cheolwoo Park; Maria Stefanie Dwiyanti; Atsushi J Nagano; Jianghui Zhu; Satoshi Watanabe; Fanjiang Kong; Baohui Liu; Tetsuya Yamada; Jun Abe
PloS one, 14, 12, e0226116, 2019, [Peer-reviewed], [International Magazine]
English, Scientific journal, The timing of both flowering and maturation determine crop adaptability and productivity. Soybean (Glycine max) is cultivated across a wide range of latitudes. The molecular-genetic mechanisms for flowering in soybean have been determined for photoperiodic responses to long days (LDs), but remain only partially determined for the delay of flowering under short-day conditions, an adaptive trait of cultivars grown in lower latitudes. Here, we characterized the late-flowering (LF) habit introduced from the Thai cultivar K3 into a photoperiod-insensitive genetic background under different photo-thermal conditions, and we analyzed the genetic basis using quantitative trait locus (QTL) mapping. The LF habit resulted from a basic difference in the floral induction activity and from the suppression of flowering, which was caused by red light-enriched LD lengths and higher temperatures, during which FLOWERING LOCUS T (FT) orthologs, FT2a and FT5a, were strongly down-regulated. QTL mapping using gene-specific markers for flowering genes E2, FT2a and FT5a and 829 single nucleotide polymorphisms obtained from restriction-site associated DNA sequencing detected three QTLs controlling the LF habit. Of these, a QTL harboring FT2a exhibited large and stable effects under all the conditions tested. A resequencing analysis detected a nonsynonymous substitution in exon 4 of FT2a from K3, which converted the glycine conserved in FT-like proteins to the aspartic acid conserved in TERMINAL FLOWER 1-like proteins (floral repressors), suggesting a functional depression in the FT2a protein from K3. The effects of the remaining two QTLs, likely corresponding to E2 and FT5a, were environment dependent. Thus, the LF habit from K3 may be caused by the functional depression of FT2a and the down-regulation of two FT genes by red light-enriched LD conditions and high temperatures. - Loss of Function of the E1-Like-b Gene Associates With Early Flowering Under Long-Day Conditions in Soybean.
Jianghui Zhu; Ryoma Takeshima; Kohei Harigai; Meilan Xu; Fanjiang Kong; Baohui Liu; Akira Kanazawa; Tetsuya Yamada; Jun Abe
Frontiers in plant science, 9, 1867, 1867, 2018, [Peer-reviewed], [International Magazine]
English, Scientific journal, Photoperiod response of flowering determines plant adaptation to different latitudes. Soybean, a short-day plant, has gained the ability to flower under long-day conditions during the growing season at higher latitudes, mainly through dysfunction of phytochrome A genes (E3 and E4) and the floral repressor E1. In this study, we identified a novel molecular genetic basis of photoperiod insensitivity in Far-Eastern Russian soybean cultivars. By testcrossing these cultivars with a Canadian cultivar Harosoy near-isogenic line for a recessive e3 allele, followed by association tests and fine mapping, we determined that the insensitivity was inherited as a single recessive gene located in an 842-kb interval in the pericentromeric region of chromosome 4, where E1-Like b (E1Lb), a homoeolog of E1, is located. Sequencing analysis detected a single-nucleotide deletion in the coding sequence of the gene in insensitive cultivars, which generated a premature stop codon. Near-isogenic lines (NILs) for the loss-of-function allele (designated e1lb) exhibited upregulated expression of soybean FLOWERING LOCUS T (FT) orthologs, FT2a and FT5a, and flowered earlier than those for E1Lb under long-day conditions in both the e3/E4 and E3/E4 genetic backgrounds. These NILs further lacked the inhibitory effect on flowering by far-red light-enriched long-day conditions, which is mediated by E4, but not that of red-light-enriched long-day conditions, which is mediated by E3. These findings suggest that E1Lb retards flowering under long-day conditions by repressing the expression of FT2a and FT5a independently of E1. This loss-of-function allele can be used as a new resource in breeding of photoperiod-insensitive cultivars, and may improve our understanding of the function of the E1 family genes in the photoperiod responses of flowering in soybean. - Quantitative Trait Locus Mapping of Soybean Maturity Gene E6
Xiaoming Li; Chao Fang; Meilan Xu; Fengge Zhang; Sijia Lu; Haiyang Nan; Tong Su; Shichen Li; Xiaohui Zhao; Lingping Kong; Xiaohui Yuan; Baohui Liu; Jun Abe; Elroy R. Cober; Fanjiang Kong
CROP SCIENCE, 57, 5, 2547, 2554, Sep. 2017, [Peer-reviewed], [Lead author]
English, Scientific journal - A soybean quantitative trait locus that promotes flowering under long days is identified as FT5a, a FLOWERING LOCUS T ortholog.
Ryoma Takeshima; Takafumi Hayashi; Jianghui Zhu; Chen Zhao; Meilan Xu; Naoya Yamaguchi; Takashi Sayama; Masao Ishimoto; Lingping Kong; Xinyi Shi; Baohui Liu; Zhixi Tian; Tetsuya Yamada; Fanjiang Kong; Jun Abe
Journal of experimental botany, 67, 17, 5247, 58, Sep. 2016, [Peer-reviewed], [International Magazine]
English, Scientific journal, FLOWERING LOCUS T (FT) is an important floral integrator whose functions are conserved across plant species. In soybean, two orthologs, FT2a and FT5a, play a major role in initiating flowering. Their expression in response to different photoperiods is controlled by allelic combinations at the maturity loci E1 to E4, generating variation in flowering time among cultivars. We determined the molecular basis of a quantitative trait locus (QTL) for flowering time in linkage group J (Chromosome 16). Fine-mapping delimited the QTL to a genomic region of 107kb that harbors FT5a We detected 15 DNA polymorphisms between parents with the early-flowering (ef) and late-flowering (lf) alleles in the promoter region, an intron, and the 3' untranslated region of FT5a, although the FT5a coding regions were identical. Transcript abundance of FT5a was higher in near-isogenic lines for ef than in those for lf, suggesting that different transcriptional activities or mRNA stability caused the flowering time difference. Single-nucleotide polymorphism (SNP) calling from re-sequencing data for 439 cultivated and wild soybean accessions indicated that ef is a rare haplotype that is distinct from common haplotypes including lf The ef allele at FT5a may play an adaptive role at latitudes where early flowering is desirable. - A recessive allele for delayed flowering at the soybean maturity locus E9 is a leaky allele of FT2a, a FLOWERING LOCUS T ortholog.
Chen Zhao; Ryoma Takeshima; Jianghui Zhu; Meilan Xu; Masako Sato; Satoshi Watanabe; Akira Kanazawa; Baohui Liu; Fanjiang Kong; Tetsuya Yamada; Jun Abe
BMC plant biology, 16, 20, 20, 19 Jan. 2016, [Peer-reviewed], [International Magazine]
English, Scientific journal, BACKGROUND: Understanding the molecular mechanisms of flowering and maturity is important for improving the adaptability and yield of seed crops in different environments. In soybean, a facultative short-day plant, genetic variation at four maturity genes, E1 to E4, plays an important role in adaptation to environments with different photoperiods. However, the molecular basis of natural variation in time to flowering and maturity is poorly understood. Using a cross between early-maturing soybean cultivars, we performed a genetic and molecular study of flowering genes. The progeny of this cross segregated for two maturity loci, E1 and E9. The latter locus was subjected to detailed molecular analysis to identify the responsible gene. RESULTS: Fine mapping, sequencing, and expression analysis revealed that E9 is FT2a, an ortholog of Arabidopsis FLOWERING LOCUS T. Regardless of daylength conditions, the e9 allele was transcribed at a very low level in comparison with the E9 allele and delayed flowering. Despite identical coding sequences, a number of single nucleotide polymorphisms and insertions/deletions were detected in the promoter, untranslated regions, and introns between the two cultivars. Furthermore, the e9 allele had a Ty1/copia-like retrotransposon, SORE-1, inserted in the first intron. Comparison of the expression levels of different alleles among near-isogenic lines and photoperiod-insensitive cultivars indicated that the SORE-1 insertion attenuated FT2a expression by its allele-specific transcriptional repression. SORE-1 was highly methylated, and did not appear to disrupt FT2a RNA processing. CONCLUSIONS: The soybean maturity gene E9 is FT2a, and its recessive allele delays flowering because of lower transcript abundance that is caused by allele-specific transcriptional repression due to the insertion of SORE-1. The FT2a transcript abundance is thus directly associated with the variation in flowering time in soybean. The e9 allele may maintain vegetative growth in early-flowering genetic backgrounds, and also be useful as a long-juvenile allele, which causes late flowering under short-daylength conditions, in low-latitude regions. - The Soybean-Specific Maturity Gene E1 Family of Floral Repressors Controls Night-Break Responses through Down-Regulation of FLOWERING LOCUS T Orthologs.
Meilan Xu; Noriko Yamagishi; Chen Zhao; Ryoma Takeshima; Megumi Kasai; Satoshi Watanabe; Akira Kanazawa; Nobuyuki Yoshikawa; Baohui Liu; Tetsuya Yamada; Jun Abe
Plant physiology, 168, 4, 1735, 46, Aug. 2015, [Peer-reviewed], [Lead author], [International Magazine]
English, Scientific journal, Photoperiodism is a rhythmic change of sensitivity to light, which helps plants to adjust flowering time according to seasonal changes in daylength and to adapt to growing conditions at various latitudes. To reveal the molecular basis of photoperiodism in soybean (Glycine max), a facultative short-day plant, we analyzed the transcriptional profiles of the maturity gene E1 family and two FLOWERING LOCUS T (FT) orthologs (FT2a and FT5a). E1, a repressor for FT2a and FT5a, and its two homologs, E1-like-a (E1La) and E1Lb, exhibited two peaks of expression in long days. Using two different approaches (experiments with transition between light and dark phases and night-break experiments), we revealed that the E1 family genes were expressed only during light periods and that their induction after dawn in long days required a period of light before dusk the previous day. In the cultivar Toyomusume, which lacks the E1 gene, virus-induced silencing of E1La and E1Lb up-regulated the expression of FT2a and FT5a and led to early flowering. Therefore, E1, E1La, and E1Lb function similarly in flowering. Regulation of E1 and E1L expression by light was under the control of E3 and E4, which encode phytochrome A proteins. Our data suggest that phytochrome A-mediated transcriptional induction of E1 and its homologs by light plays a critical role in photoperiodic induction of flowering in soybean. - Genetic variation in four maturity genes affects photoperiod insensitivity and PHYA-regulated post-flowering responses of soybean.
Meilan Xu; Zeheng Xu; Baohui Liu; Fanjiang Kong; Yasutaka Tsubokura; Satoshi Watanabe; Zhengjun Xia; Kyuya Harada; Akira Kanazawa; Testuya Yamada; Jun Abe
BMC plant biology, 13, 91, 91, 25 Jun. 2013, [Peer-reviewed], [Lead author], [International Magazine]
English, Scientific journal, BACKGROUND: Absence of or low sensitivity to photoperiod is necessary for short-day crops, such as rice and soybean, to adapt to high latitudes. Photoperiod insensitivity in soybeans is controlled by two genetic systems and involves three important maturity genes: E1, a repressor for two soybean orthologs of Arabidopsis FLOWERING LOCUS T (GmFT2a and GmFT5a), and E3 and E4, which are phytochrome A genes. To elucidate the diverse mechanisms underlying photoperiod insensitivity in soybean, we assessed the genotypes of four maturity genes (E1 through E4) in early-flowering photoperiod-insensitive cultivars and their association with post-flowering responses. RESULTS: We found two novel dysfunctional alleles in accessions originally considered to have a dominant E3 allele according to known DNA markers. The E3 locus, together with E1 and E4, contained multiple dysfunctional alleles. We identified 15 multi-locus genotypes, which we subdivided into 6 genotypic groups by classifying their alleles by function. Of these, the e1-as/e3/E4 genotypic group required an additional novel gene (different from E1, E3, and E4) to condition photoperiod insensitivity. Despite their common pre-flowering photoperiod insensitivity, accessions with different multi-locus genotypes responded differently to the post-flowering photoperiod. Cultivars carrying E3 or E4 were sensitive to photoperiod for post-flowering characteristics, such as reproductive period and stem growth after flowering. The phytochrome A-regulated expression of the determinate growth habit gene Dt1, an ortholog of Arabidopsis TERMINAL FLOWER1, was involved in the persistence of the vegetative activity at the stem apical meristem of flower-induced plants under long-day conditions. CONCLUSIONS: Diverse genetic mechanisms underlie photoperiod insensitivity in soybean. At least three multi-locus genotypes consisting of various allelic combinations at E1, E3, and E4 conferred pre-flowering photoperiod insensitivity to soybean cultivars but led to different responses to photoperiod during post-flowering vegetative and reproductive development. The phyA genes E3 and E4 are major controllers underlying not only pre-flowering but also post-flowering photoperiod responses. The current findings improve our understanding of genetic diversity in pre-flowering photoperiod insensitivity and mechanisms of post-flowering photoperiod responses in soybean. - Genetic Variation in Soybean at the Maturity Locus E4 Is Involved in Adaptation to Long Days at High Latitudes
Yasutaka Tsubokura; Hisakazu Matsumura; Meilan Xu; Baohui Liu; Hiroko Nakashima; Toyoaki Anai; Fanjiang Kong; Xiaohui Yuan; Hiroyuki Kanamori; Yuichi Katayose; Ryoji Takahashi; Kyuya Harada; Jun Abe
AGRONOMY-BASEL, 3, 1, 117, 134, Mar. 2013, [Peer-reviewed], [Lead author]
English, Scientific journal - Effect of amylose and protein content selection on yield and quality traits of hybrid progenies in rice
LI Xiaoguang; JIN Zhengxun; LIU Haiying; ZHAO Shuyu; XU Meilan; ZHANG Zhongchen; SHEN Peng; ZHANG Haibin
Journal of Northeast Agricultural University, 42, 13, 17, 2011, [Peer-reviewed]
Chinese - Relationship Between Lodging Resistance and Chemical Contents in Culms and Sheaths of Japonica Rice During Grain Filling
Feng-zhuan ZHANG; Zheng-xun JIN; Guo-hui MA; Wen-nan SHANG; Hai-ying LIU; Mei-lan XU; Yan LIU
Rice Science, 17, 4, 311, 318, Elsevier BV, Dec. 2010, [Peer-reviewed]
Scientific journal - Changes in Activities of Key Enzymes for Starch Synthesis and Glutamine Synthetase in Grains of Progenies from a Rice Cross During Grain Filling
Xiao-guang LI; Hai-ying LIU; Zheng-xun JIN; Hong-liang LIU; Xing HUANG; Mei-lan XU; Feng-zhuan ZHANG
Rice Science, 17, 3, 243, 246, Elsevier BV, Sep. 2010, [Peer-reviewed]
Scientific journal - Effects of Grain Protein Content Selection on Protein Content and Key Enzyme Activity Involved in Nitrogen Metabolism in Progenies Derived from a Rice Cross
Xing HUANG; Zheng-xun JIN; Xiao-guang LI; Hong-liang LIU; Mei-lan XU; Feng-zhuan ZHANG; Zhong-chen ZHANG
Rice Science, 17, 2, 156, 160, Elsevier BV, Jun. 2010, [Peer-reviewed]
Scientific journal - Correlation analysis between lodging resistance and morphological characters of physical and chemical components in rice’s culms
Zhang Fengzhuan; Jin Zhengxun; Ma Guohui; Wan Yizhen; Liu Haiying; Xu Meilan
Crops, 4, 15, 19, 2010, [Peer-reviewed]
Chinese - Relation of amylose content selection with quality and yield traits of cross progenies in rice
LIU Hai-ying; LI Xiao-guang; LIU Hong-liang; HUANG Xing; Xu Mei-lan; JIN Zheng-xun
Chinese Journal of Rice Science, 23, 103, 106, 2009, [Peer-reviewed]
Chinese - Comparison of genetic distance among seven cultivars of Japonica rice based on SSR and SRAP and its relationship with heterosis of yield traits
Xu Meilan; Jin Zhengxun; Li Xiaoguang; Zhang Zhongchen; Liu Haiying; Zhang Fengzhuan; Zhao Shuyu; Zhang Haibin
Molecular Plant Breeding, 7, 6, 1084, 1092, 2009, [Peer-reviewed], [Lead author]
Chinese, Scientific journal - Effect of CCC on the ornamental plants
HAN Yang; LIU Chen; XU Mei-lan
Journal of Liaoning University, 34, 54, 56, 2007, [Peer-reviewed]
Chinese, Scientific journal
- Molecular-genetic analysis for low-temperature-induced delay of flowering in soybean
Kusumoto S; Zhang J; Harigai K; Zhu J; Xu M; Yamada T; Abe J, Report of the Hokkaido Branch, the Japanese Society of Breeding and Hokkaido Branch, the Crop Science Society of Japan, 59, 44, 45, 2018
Hokkaido Branch, the Japanese Society of Breeding and Hokkaido Branch, the Crop Science Society of Japan, Japanese - ダイズにおけるFRUITFULL様遺伝子の多様性および開花との関連性
竹島亮馬; 趙晨; 徐美蘭; 劉宝輝; 山田哲也; 阿部純, 日本植物細胞分子生物学会大会・シンポジウム講演要旨集, 31st, 2013 - Gene expression analysis for flowering genes in photoperiod-insensitive soybeans.
Takeshima R; Xu M; Yamada T; Abe J, Report of the Hokkaido Branch, the Japanese Society of Breeding and Hokkaido Branch, the Crop Science Society of Japan, 53, 77, 78, 2012
Hokkaido Branch, the Japanese Society of Breeding and Hokkaido Branch, the Crop Science Society of Japan, Japanese
- Genetic Analysis of Callus Induction Variation in Nipponbare and Kasalath CSSLines in Relation to Anther Browning Observed in Parental Rice Lines
CHRISTABELL NACHILIMA; Meilan Xu; Yuka Konno; Nanami Kudo; Kana Takashima; Kosuke Miyamoto; Shizuka Sasagawa; Yoshiki Tokuyama; Yoshihiro Okamoto; Yuji Kishima
日本育種学会 第149回講演会, Mar. 2026, Oral presentation - イネ葯小胞子はカルス形成能を持つか？
徐 美蘭; 工藤 七海; Christabell Nachilima, 宮; 本 康介; 金 鍾明; 貴島 祐治
日本育種学会 第145回講演会, Mar. 2024, Oral presentation - 低温がダイズのFT オルソログの発現と開花誘導に及ぼす作用
楠本 祥平; 徐 美蘭; 金澤 章; 山田 哲也; 阿部 純
日本育種学会 第136回講演会, 07 Sep. 2019, Oral presentation - ダイズの感温性に関与する新規突然変異体の責任遺伝子の解析
張 静語; 楠本 祥平; 徐 美蘭; 渡辺 啓史; 山; 田 哲也; 長谷 純広; 金澤 章; 佐山 貴司; 石; 本 政男; 劉 宝輝; 阿部 純
日本育種学会 第136回講演会, 07 Sep. 2019, Oral presentation - ダイズの柱頭上花粉発芽に関わるFTオルソログの機能
平田 万季; 針谷 康平; 竹島 亮馬; 松浦 英幸; 藤野 介延; 徐 美蘭; 山田 哲也; 阿部 純
日本育種学会 第136回講演会, 07 Sep. 2019, Oral presentation - E1 様遺伝子の機能欠損遺伝子がダイズの長日条件下での開花に関与する
朱 江慧; 徐 美蘭; 竹島 亮馬; 針谷 康平; 山; 田 哲也; 阿部 純
日本育種学会 第132回講演会, Oct. 2017, Oral presentation - ダイズの開花抑制遺伝子E1 に制御される開花関連遺伝子の解析と開花との関連性
竹島 亮馬; 趙 晨; 徐 美蘭; 劉 宝輝; 渡邊 啓; 史; 山田 哲也; 阿部 純
日本育種学会 第125回講演会, Mar. 2014, Oral presentation - VIGS を用いた E1L 遺伝子の機能解析
徐 美蘭; 山岸 紀子; 竹島 亮馬; 河西 めぐみ; 金澤 章; 吉川 信幸; 山田 哲也; 阿部 純
日本育種学会 第124回講演会, 12 Oct. 2013, Oral presentation - ダイズにおけるFRUITFULL 様遺伝子の機能分化と開花との関連性
竹島 亮馬; 趙 晨; 徐 美蘭; 劉 宝輝; 山田 哲; 也; 阿部 純
日本育種学会 第124回講演会, 12 Oct. 2013, Oral presentation - 中国早生ダイズの非感光性に関するQTL 解析
竹島 亮馬; 林 隆文; 徐 美蘭; 劉 宝輝; 山田; 哲也; 阿部 純
日本育種学会 第123回講演会, Mar. 2013, Oral presentation - DNA 多型を利用したダイズ早生品種の感光性遺伝子型の分類と開花および開花後の感光性の変異
徐 美蘭; 徐 沢恒; 坪倉 康隆; 渡辺 啓史; 正俊; 孔 凡江; 劉 宝輝; 原田 久也; 山田 哲也; 阿部 純
日本育種学会 第122回講演会, 15 Sep. 2012, Japanese, Oral presentation
京都産業大学 - Novel variation of photoperiod-insensitivity in soybean as revealed by genotyping of four major maturity locus with DNA markers
Xu M.; Z. Xu; S. Watanabe; Y. Tsubokura; K. Harada; X. Yuan; Z. Xia; B. Liu; F. Kong; T. Yamada; J. Abe
10th International Congress on Plant Molecular Biology (IPMB 2012), 2012, English, Poster presentation
Jeju International Convention Center, Jeju Island, Republic of Korea
■ Academic and Social Contribution Activities/Other
Social Contribution Activities
