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Takashi Sayama · SciRah

Researcher profile · Semantic Scholar

Takashi Sayama

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Takashi Sayama — researcher profile on SciRah

h-index: 23
Works: 58
Citations: 1,630

Most-cited papers

Molecular basis of a shattering resistance boosting global dissemination of soybean
H. Funatsuki, Masaya Suzuki, Aya Hirose, Hiroki Inaba +7 more
2014Proceedings of the National Academy of Sciences of the United States of America201 citations Open access
Semantic Scholar
High-density Integrated Linkage Map Based on SSR Markers in Soybean
T. Hwang, Takashi Sayama, Masakazu Takahashi, Y. Takada +14 more
2009DNA Research145 citations Open access
Semantic Scholar
The Sg-1 Glycosyltransferase Locus Regulates Structural Diversity of Triterpenoid Saponins of Soybean[W][OA]
Takashi Sayama, Eiichiro Ono, Kyoko Takagi, Y. Takada +12 more
2012The Plant Cell124 citations Open access
Semantic Scholar
A major and stable QTL associated with seed weight in soybean across multiple environments and genetic backgrounds
S. Kato, Takashi Sayama, K. Fujii, S. Yumoto +7 more
2014Theoretical and Applied Genetics101 citations
Semantic Scholar
Construction of a high-density mutant library in soybean and development of a mutant retrieval method using amplicon sequencing
Mai Tsuda, A. Kaga, T. Anai, T. Shimizu +11 more
2015BMC Genomics90 citations Open access
Semantic Scholar
QTL analysis of seed-flooding tolerance in soybean (Glycine max [L.] Merr.).
Takashi Sayama, T. Nakazaki, G. Ishikawa, K. Yagasaki +9 more
2009Plant Science87 citations
Semantic Scholar
A thaumatin-like protein, Rj4, controls nodule symbiotic specificity in soybean.
M. Hayashi, S. Shiro, H. Kanamori, Satomi Mori-Hosokawa +11 more
2014Plant and Cell Physiology75 citations
Semantic Scholar
Metabolic switching of astringent and beneficial triterpenoid saponins in soybean is achieved by a loss‐of‐function mutation in cytochrome P450 72A69
R. Yano, Kyoko Takagi, Y. Takada, Kyosuke Mukaiyama +8 more
2017The Plant Journal64 citations
Semantic Scholar
A soybean quantitative trait locus that promotes flowering under long days is identified as FT5a, a FLOWERING LOCUS T ortholog
R. Takeshima, Takafumi Hayashi, Jiang-Hui Zhu, Chen Zhao +11 more
2016Journal of Experimental Botany61 citations Open access
Semantic Scholar
Development and Application of a Whole-Genome Simple Sequence Repeat Panel for High-Throughput Genotyping in Soybean
Takashi Sayama, T. Hwang, K. Komatsu, Y. Takada +7 more
2011DNA Research51 citations Open access
Semantic Scholar
Genetic and chemical analysis of a key biosynthetic step for soyasapogenol A, an aglycone of group A saponins that influence soymilk flavor
Y. Takada, Hiroko Sasama, Takashi Sayama, A. Kikuchi +3 more
2013Theoretical and Applied Genetics46 citations
Semantic Scholar
Mapping and comparison of quantitative trait loci for soybean branching phenotype in two locations
Takashi Sayama, T. Hwang, Hiroyuki Yamazaki, Naoya Yamaguchi +11 more
201043 citations Open access
Semantic Scholar
Genetic analysis of antixenosis resistance to the common cutworm (Spodoptera litura Fabricius) and its relationship with pubescence characteristics in soybean (Glycine max (L.) Merr.)
N. Oki, K. Komatsu, Takashi Sayama, M. Ishimoto +2 more
2012Breeding Science40 citations Open access
Semantic Scholar
Genetic analysis of variations in the sugar chain composition at the C-3 position of soybean seed saponins
Y. Takada, Ippei Tayama, Takashi Sayama, Hiroko Sasama +4 more
2012Breeding Science37 citations Open access
Semantic Scholar
Confirmation of the pleiotropic control of leaflet shape and number of seeds per pod by the Ln gene in induced soybean mutants
Takashi Sayama, T. Tanabata, M. Saruta, T. Yamada +3 more
2017Breeding Science35 citations Open access
Semantic Scholar
Genetic analysis of variation in sugar chain composition at the C-22 position of group A saponins in soybean, Glycine max (L.) Merrill
Y. Takada, Takashi Sayama, A. Kikuchi, S. Kato +5 more
201033 citations Open access
Semantic Scholar
Seed yield and its components of indeterminate and determinate lines in recombinant inbred lines of soybean
S. Kato, K. Fujii, S. Yumoto, M. Ishimoto +4 more
2015Breeding Science31 citations Open access
Semantic Scholar
Identification of a cytochrome P450 hydroxylase, CYP81E22, as a causative gene for the high sensitivity of soybean to herbicide bentazon
S. Kato, Y. Yokota, R. Suzuki, Yukiko Fujisawa +7 more
2020Theoretical and Applied Genetics30 citations
Semantic Scholar
Effects on flowering and seed yield of dominant alleles at maturity loci E2 and E3 in a Japanese cultivar, Enrei
Tetsuya Yamada, M. Hajika, N. Yamada, Kaori Hirata +10 more
2012Breeding Science27 citations Open access
Semantic Scholar
Effect of change from a determinate to a semi-determinate growth habit on the yield and lodging resistance of soybeans in the northeast region of Japan
S. Kato, Takashi Sayama, F. Taguchi-Shiobara, A. Kikuchi +2 more
2019Breeding Science26 citations Open access
Semantic Scholar
Quantitative trait loci associated with lodging tolerance in soybean cultivar ‘Toyoharuka’
Naoya Yamaguchi, Takashi Sayama, Hiroyuki Yamazaki, T. Miyoshi +2 more
2014Breeding Science23 citations Open access
Semantic Scholar
Identification of quantitative trait loci associated with boiled seed hardness in soybean
Kaori Hirata, R. Masuda, Y. Tsubokura, T. Yasui +6 more
2014Breeding Science23 citations Open access
Semantic Scholar
Identification of QTL controlling post-flowering period in soybean
K. Komatsu, T. Hwang, Masakazu Takahashi, Takashi Sayama +3 more
2012Breeding Science23 citations Open access
Semantic Scholar
Transgressive segregation of isoflavone contents under the control of four QTLs in a cross between distantly related soybean varieties
Takanori Yoshikawa, Y. Okumoto, Daisuke Ogata, Takashi Sayama +9 more
201023 citations Open access
Semantic Scholar
Fine mapping of foxglove aphid (Aulacorthum solani) resistance gene Raso1 in soybean and its effect on tolerance to Soybean dwarf virus transmitted by foxglove aphid
S. Ohnishi, N. Miyake, T. Takeuchi, F. Kousaka +8 more
2012Breeding Science21 citations Open access
Semantic Scholar
Major QTLs associated with green stem disorder insensitivity of soybean (Glycine max (L.) Merr.)
Tetsuya Yamada, S. Shimada, M. Hajika, Kaori Hirata +8 more
2014Breeding Science18 citations Open access
Semantic Scholar
Identification and dissection of single seed weight QTLs by analysis of seed yield components in soybean
K. Fujii, Takashi Sayama, Kyoko Takagi, K. Kosuge +3 more
2018Breeding Science15 citations Open access
Semantic Scholar
Diversity and population structure of black soybean landraces originating from Tanba and neighboring regions
T. Hirota, Takashi Sayama, M. Yamasaki, Hiroko Sasama +3 more
2012Breeding Science15 citations Open access
Semantic Scholar
Stability Verification of the Effects of Stem Determination and Earliness of Flowering on Green Stem Disorder of Soybean against Genetic Background and Environment
K. Fujii, S. Kato, Takashi Sayama, Yu Tanaka +3 more
201514 citations Open access
Semantic Scholar
A Soybean Deletion Mutant That Moderates the Repression of Flowering by Cool Temperatures
Jing-Yuan Zhang, Mei-lan Xu, M. S. Dwiyanti, Satoshi Watanabe +7 more
2020Frontiers in Plant Science13 citations Open access
Semantic Scholar
The effect of stem growth habit on single seed weight and seed uniformity in soybean (Glycine max (L.) Merrill)
S. Kato, Takashi Sayama, M. Ishimoto, S. Yumoto +2 more
2018Breeding Science11 citations Open access
Semantic Scholar
Quantitative trait loci associated with short inter-node length in soybean
N. Oki, Takashi Sayama, M. Ishimoto, Ikuko Yokota +3 more
2018Breeding Science11 citations Open access
Semantic Scholar
Transfer of the Rsv3 locus from ‘Harosoy’ for resistance to soybean mosaic virus strains C and D in Japan
S. Kato, Y. Takada, S. Shimamura, Kaori Hirata +5 more
2016Breeding Science9 citations Open access
Semantic Scholar
Mapping of Quantitative Trait Loci Associated with Terminal Raceme Length in Soybean
Naoya Yamaguchi, Takashi Sayama, Hiroko Sasama, Hiroyuki Yamazaki +3 more
20148 citations
Semantic Scholar
Screening and genetic analysis of resistance to peanut stunt virus in soybean: identification of the putative Rpsv1 resistance gene
M. Saruta, Y. Takada, A. Kikuchi, Tetsusya Yamada +4 more
2012Breeding Science8 citations Open access
Semantic Scholar
Assessing genetic diversity and geographical differentiation in a global collection of wild soybean (Glycine soja Sieb. et Zucc.) and assigning a mini-core collection
Feng Li, Takashi Sayama, Yuko Yokota, Susumu Hiraga +4 more
2024DNA Research7 citations Open access
Semantic Scholar
Morphological Traits Associated with the Quantitative Trait Locus for Lodging Tolerance in Soybean
Takuya Kitabatake, Naoya Yamaguchi, Takashi Sayama, F. Taguchi-Shiobara +3 more
2019Crop science7 citations
Semantic Scholar
Quantitative Trait Loci Associated with Tolerance to Seed Cracking under Chilling Temperatures in Soybean
Naoya Yamaguchi, F. Taguchi-Shiobara, Takashi Sayama, T. Miyoshi +3 more
20157 citations
Semantic Scholar
Suppressed Methionine γ-Lyase Expression Causes Hyperaccumulation of S-Methylmethionine in Soybean Seeds1[OPEN]
Takuya Teshima, N. Yamada, Y. Yokota, Takashi Sayama +5 more
2020Plant Physiology6 citations Open access
Semantic Scholar
Mapping versatile QTL for soybean downy mildew resistance
F. Taguchi-Shiobara, K. Fujii, Takashi Sayama, Kaori Hirata +10 more
2018Theoretical and Applied Genetics6 citations Open access
Semantic Scholar
A QTL associated with high seed coat cracking rate of a leading Japanese soybean variety
M. Saruta, Y. Takada, K. Yamashita, Takashi Sayama +1 more
2019Breeding Science5 citations Open access
Semantic Scholar
A major and stable QTL associated with seed weight in soybean across multiple environments and genetic backgrounds
S. Kato, Takashi Sayama, K. Fujii, S. Yumoto +7 more
2014Theoretical and Applied Genetics4 citations
Semantic Scholar
Genetic and molecular analysis of fasciation mutation in Japanese soybeans
Ryutaku Onda, Satoshi Watanabe, Takashi Sayama, K. Komatsu +3 more
20114 citations Open access
Semantic Scholar
A single-nucleotide insertion in Rxp confers durable resistance to bacterial pustule in soybean
F. Taguchi-Shiobara, Koji Takahashi, R. Yano, Rintaro Suzuki +9 more
2024Theoretical and Applied Genetics3 citations
Semantic Scholar
Mutant Tof11 alleles are highly accumulated in early planting-adaptable Japanese summer type soybeans.
K. Komatsu, Takashi Sayama, K. Yamashita, Y. Takada
2023Breeding Science1 citations Open access
Semantic Scholar
Isolation and characterization of induced mutants in the gene associated with seed cadmium accumulation in soybean
Kaori Hirata, Kyoko Takagi, Tetsuya Yamada, Takashi Sayama +3 more
2019Breeding Science1 citations Open access
Semantic Scholar
Identification of genes controlling the contents of seed storage proteins in soybean - identification and functional analysis of the quantitative trait locus qPro1.
Takanori Yoshikawa, S. Utsumi, T. Fukuda, Y. Okumoto +2 more
20091 citations
Semantic Scholar
Genetic dissection of soybean lodging tolerance in recombinant inbred-line populations of major Japanese and modern US varieties
A. Hishinuma, A. Fukuda, T. Sugimoto, O. Uchikawa +16 more
2025Breeding Science0 citations Open access
Semantic Scholar
A mutation of GRAS SCL14 gene confers moderate sensitivity to the herbicide bentazon in soybean
S. Kato, Yuko Yokota, T. Matsumoto, Tetsuya Yamada +7 more
2025Theoretical and Applied Genetics0 citations
Semantic Scholar
Quantitative trait loci associated with short inter-node length in soybean
N. Oki, Takashi Sayama, M. Ishimoto, Y. Yokota +3 more
2019Breeding Science0 citations Open access
Semantic Scholar

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M. Ishimoto×41
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M. Ishimoto — researcher profile on SciRah
A. Kikuchi×15
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A. Kikuchi — researcher profile on SciRah
S. Kato×15
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S. Kato — researcher profile on SciRah
Y. Takada×13
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A. Kaga — researcher profile on SciRah

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K. Komatsu — researcher profile on SciRah

Kaori Hirata×8

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Kaori Hirata — researcher profile on SciRah

Tetsuya Yamada×7

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Tetsuya Yamada — researcher profile on SciRah

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K. Fujii — researcher profile on SciRah

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N. Oki — researcher profile on SciRah

F. Taguchi-Shiobara×7

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F. Taguchi-Shiobara — researcher profile on SciRah

H. Funatsuki×6

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H. Funatsuki — researcher profile on SciRah