Journal ArticleDOI
Loss of function of the IAA-glucose hydrolase gene TGW6 enhances rice grain weight and increases yield
Ken Ishimaru,Naoki Hirotsu,Yuka Madoka,Naomi Murakami,Nao Hara,Haruko Onodera,Takayuki Kashiwagi,Kazuhiro Ujiie,Bun-ichi Shimizu,Atsuko Onishi,Hisashi Miyagawa,Etsuko Katoh +11 more
Reads0
Chats0
TLDR
The cloning and functional analysis of THOUSAND-GRAIN WEIGHT 6 (TGW6), a gene from the Indian landrace rice Kasalath, suggest that TGW6 may be useful for further improvements in yield characteristics in most cultivars.Abstract:
Increases in the yield of rice, a staple crop for more than half of the global population, are imperative to support rapid population growth. Grain weight is a major determining factor of yield. Here, we report the cloning and functional analysis of THOUSAND-GRAIN WEIGHT 6 (TGW6), a gene from the Indian landrace rice Kasalath. TGW6 encodes a novel protein with indole-3-acetic acid (IAA)-glucose hydrolase activity. In sink organs, the Nipponbare tgw6 allele affects the timing of the transition from the syncytial to the cellular phase by controlling IAA supply and limiting cell number and grain length. Most notably, loss of function of the Kasalath allele enhances grain weight through pleiotropic effects on source organs and leads to significant yield increases. Our findings suggest that TGW6 may be useful for further improvements in yield characteristics in most cultivars.read more
Citations
More filters
Journal ArticleDOI
Dissection of qTGW1.2 to three QTLs for grain weight and grain size in rice (Oryza sativa L.).
TL;DR: It is suggested that dominance effects of minor QTLs might play an important role in the genetic control of heterosis in rice and the effects could be steadily detected in a highly isogenic background.
Journal ArticleDOI
Fine mapping of qTGW10-20.8, a QTL having important contribution to grain weight variation in rice
Yu-Jun Zhu,Yu-Jun Zhu,Zhen-Hua Zhang,Junyu Chen,Ye-Yang Fan,Tongmin Mou,Shaoqing Tang,Jie-Yun Zhuang +7 more
TL;DR: The results of this study provide a basis for cloning qTGW10-20.8, which has an important contribution to grain weight variation in rice.
Journal ArticleDOI
Dissecting the genetic basis of heavy panicle hybrid rice uncovered Gn1a and GS3 as key genes.
Shiguang Wang,Bingtian Ma,Qiang Gao,Guojing Jiang,Lei Zhou,Bin Tu,Peng Qin,Xueqin Tan,Peixiong Liu,Yunhai Kang,Yuping Wang,Weilan Chen,Chengzhi Liang,Shigui Li +13 more
TL;DR: It is reported that the combination of loss-of-function mutations in Grain number 1a (Gn1a) and Grain Size 3 (GS3) is responsible for the heavy panicle phenotype of the elite hybrid rice restorer line Shuhui498 (R498).
Journal ArticleDOI
Identification of QTL TGW12 responsible for grain weight in rice based on recombinant inbred line population crossed by wild rice (Oryza minuta) introgression line K1561 and indica rice G1025
TL;DR: Sixteen TGW QTL were identified from a recombinant inbred line (RIL) population derived from the cross between the introgression line K1561 of Oryza minuta and the rice cultivar G1025 and the data indicated thirty-two open reading fragments (ORFs) were present in the region.
Journal ArticleDOI
Association mapping of quantitative trait loci for yield-related agronomic traits in rice ( Oryza sativa L.)
TL;DR: New markers linked to starch synthesis related gene markers, SSI, SSIIa, SBE1, AGPL4, and ISA1, were linked to plant height (PH), panicle length (PL), flag leaf length (FLL), GW, and GLW, and will probably be used to improve rice grain yield or plant architecture when performing marker-assisted selection of proper alleles.
References
More filters
Journal ArticleDOI
PROCHECK: a program to check the stereochemical quality of protein structures
TL;DR: The PROCHECK suite of programs as mentioned in this paper provides a detailed check on the stereochemistry of a protein structure and provides an assessment of the overall quality of the structure as compared with well refined structures of the same resolution.
Journal ArticleDOI
TCS: a computer program to estimate gene genealogies.
Journal ArticleDOI
CDD: a Conserved Domain Database for the functional annotation of proteins
Aron Marchler-Bauer,Shennan Lu,John B. Anderson,Farideh Chitsaz,Myra K. Derbyshire,Carol DeWeese-Scott,Jessica H. Fong,Lewis Y. Geer,Renata C. Geer,Noreen R. Gonzales,Marc Gwadz,David I. Hurwitz,John D. Jackson,Zhaoxi Ke,Christopher J. Lanczycki,Fu-Ping Lu,Gabriele H. Marchler,Mikhail Mullokandov,Marina V. Omelchenko,Cynthia L. Robertson,James S. Song,Narmada Thanki,Roxanne A. Yamashita,Dachuan Zhang,Naigong Zhang,Chanjuan Zheng,Stephen H. Bryant +26 more
TL;DR: NCBI’s Conserved Domain Database (CDD) is a resource for the annotation of protein sequences with the location of conserved domain footprints, and functional sites inferred from these footprints.
Journal ArticleDOI
Validation of the general purpose Tripos 5.2 force field
TL;DR: In this paper, a molecular mechanics force field implemented in the Sybyl program is described along with a statistical evaluation of its efficiency on a variety of compounds by analysis of internal coordinates and thermodynamic barriers.
Journal ArticleDOI
Seed Banks and Molecular Maps: Unlocking Genetic Potential from the Wild
TL;DR: The tools of genome research may finally unleash the genetic potential of the authors' wild and cultivated germplasm resources for the benefit of society.