Elucidating the genetic basis of natural variation in grain size and weight among rice varieties can help breeders develop high-yielding varieties.We identified a novel gene,GW3a(Grain Weight 3a)(LOC_Os03g27350),that ...Elucidating the genetic basis of natural variation in grain size and weight among rice varieties can help breeders develop high-yielding varieties.We identified a novel gene,GW3a(Grain Weight 3a)(LOC_Os03g27350),that affects rice grain size and weight.gw3a mutants showed higher total starch content and dry matter accumulation than the wild type(WT),Nipponbare,suggesting that GW3a negatively regulates grain size and weight.Moreover,our study found that GW3a interacted with OsATG8 by cleaving it,suggesting that GW3a may be involved in the assembly of autophagosomes and starch degradation in plants.The haplotype analysis of GW3a showed functional differences between indica and japonica rice.Taken together,we conclude that GW3a is expressed in the autophagosome pathway regulating starch metabolism in rice,affecting yield-related traits,such as grain size,grain weight and thousand grain weight(TGW).Our findings also shed new light on autophagy-mediated yield trait regulation,proposing a possible strategy for the genetic improvement of high-yield germplasm in rice.展开更多
Lithium-sulfur batteries have been regarded as one of most promising next-generation energy storage devices because of their high energy density and low cost.However,polysulfide shuttling and slow kinetics hinder the ...Lithium-sulfur batteries have been regarded as one of most promising next-generation energy storage devices because of their high energy density and low cost.However,polysulfide shuttling and slow kinetics hinder the practical application.We fabricated hierarchically heterostructured CoSe_(2)/MoS_(2) nanoarrays on carbon clothes as the sulfur cathode host.The resulting heterostructures facilitate electron conduction and improve electrolyte wetting.More importantly,the composite heterostructures couple the strong poly-sulfide adsorption of CoSe_(2) and high catalytic activity of MoS_(2) to synergistically accelerate polysulfide conversion,demonstrating higher catalytic activity than their individual components.展开更多
基金This research was supported by the National Natural Science Foundation of China(32160485)Jiangxi Double Thousand Plan(jxsq2023201057)Key R&D Plan of Jiangxi Province(20224BBF62001,20224BBF61030).
文摘Elucidating the genetic basis of natural variation in grain size and weight among rice varieties can help breeders develop high-yielding varieties.We identified a novel gene,GW3a(Grain Weight 3a)(LOC_Os03g27350),that affects rice grain size and weight.gw3a mutants showed higher total starch content and dry matter accumulation than the wild type(WT),Nipponbare,suggesting that GW3a negatively regulates grain size and weight.Moreover,our study found that GW3a interacted with OsATG8 by cleaving it,suggesting that GW3a may be involved in the assembly of autophagosomes and starch degradation in plants.The haplotype analysis of GW3a showed functional differences between indica and japonica rice.Taken together,we conclude that GW3a is expressed in the autophagosome pathway regulating starch metabolism in rice,affecting yield-related traits,such as grain size,grain weight and thousand grain weight(TGW).Our findings also shed new light on autophagy-mediated yield trait regulation,proposing a possible strategy for the genetic improvement of high-yield germplasm in rice.
基金the National Natural Science Foundation of China(Nos.21776121 and 22075131)The numerical calculations were carried out at the computing facilities in the High-Performance Computing Center(HPCC)of Nanjing University.
文摘Lithium-sulfur batteries have been regarded as one of most promising next-generation energy storage devices because of their high energy density and low cost.However,polysulfide shuttling and slow kinetics hinder the practical application.We fabricated hierarchically heterostructured CoSe_(2)/MoS_(2) nanoarrays on carbon clothes as the sulfur cathode host.The resulting heterostructures facilitate electron conduction and improve electrolyte wetting.More importantly,the composite heterostructures couple the strong poly-sulfide adsorption of CoSe_(2) and high catalytic activity of MoS_(2) to synergistically accelerate polysulfide conversion,demonstrating higher catalytic activity than their individual components.
