Characterization of high-yielding rice cultivars with different grain-filling properties to clarify limiting factors for improving grain yield

Masaki Okamura, Yumiko Arai‐Sanoh, Hiroe Yoshida, +8

Field Crops Research

EngineeringBotanyAgricultural EconomicsUnstable Grain FillingCrop Physiology +16

Tissue specificity and diurnal change in gene expression of the sucrose phosphate synthase gene family in rice

Masaki Okamura, Naohiro Aoki, Tatsuro Hirose, +3

Plant Science

BiologyPlant Molecular BiologyBiosynthesisTissue SpecificityGenetics +8

Starch reduction in rice stems due to a lack of OsAGPL1 or OsAPL3 decreases grain yield under low irradiance during ripening and modifies plant architecture

Masaki Okamura, Tatsuro Hirose, Yoichi Hashida, +3

Functional Plant Biology

Rice StemsPlant GeneticsEngineeringBotanyGenetics +17

A reduction of sucrose phosphate synthase (SPS) activity affects sucrose/starch ratio in leaves but does not inhibit normal plant growth in rice

Yoichi Hashida, Tatsuro Hirose, Masaki Okamura, +3

Plant Science

BiosynthesisEngineeringBotanyBiochemistryNatural Sciences +7

Disruption of a rice gene for α-glucan water dikinase, OsGWD1, leads to hyperaccumulation of starch in leaves but exhibits limited effects on growth

Tatsuro Hirose, Naohiro Aoki, Yusuke Harada, +6

Frontiers in Plant Science

Analysis of gene-disruption mutants of a sucrose phosphate synthase gene in rice, OsSPS1, shows the importance of sucrose synthesis in pollen germination

Tatsuro Hirose, Yoichi Hashida, Naohiro Aoki, +5

Plant Science

BiologyPlant Molecular BiologyBiosynthesisGene-disruption MutantsNatural Sciences +8

Suppression of starch synthesis in rice stems splays tiller angle due to gravitropic insensitivity but does not affect yield

Masaki Okamura, Tatsuro Hirose, Yoichi Hashida, +2

Functional Plant Biology

EngineeringBotanyGeneticsAgricultural EconomicsMolecular Biology +16

A decrease in phytic acid content substantially affects the distribution of mineral elements within rice seeds

Hiroaki Sakai, Toru Iwai, Chie Matsubara, +7

Plant Science

EngineeringBotanyAgricultural EconomicsPhytic Acid ContentRice Seeds +5

Cooling water before panicle initiation increases chilling‐induced male sterility and disables chilling‐induced expression of genes encoding <scp>OsFKBP</scp>65 and heat shock proteins in rice spikelets

Kensaku Suzuki, Naohiro Aoki, Hisakazu Matsumura, +3

Plant Cell & Environment

EngineeringBotanyTotal Pollen GrainsGeneticsMolecular Genetics +16

The promoter activities of sucrose phosphate synthase genes in rice, OsSPS1 and OsSPS11, are controlled by light and circadian clock, but not by sucrose

Madoka Yonekura, Naohiro Aoki, Tatsuro Hirose, +5

Frontiers in Plant Science

BotanyGeneticsMolecular BiologyMolecular GeneticsCircadian Clock +19