Abstract:
:Tremendous efforts have been taken worldwide to develop genome-wide genetic stocks for rice functional genomic (FG) research since the rice genome was completely sequenced. To facilitate FG research of complex polygenic phenotypes in rice, we report the development of over 20,000 introgression lines (ILs) in three elite rice genetic backgrounds for a wide range of complex traits, including resistances/tolerances to many biotic and abiotic stresses, morpho-agronomic traits, physiological traits, etc., by selective introgression. ILs within each genetic background are phenotypically similar to their recurrent parent but each carries one or a few traits introgressed from a known donor. Together, these ILs contain a significant portion of loci affecting the selected complex phenotypes at which allelic diversity exists in the primary gene pool of rice. A forward genetics strategy was proposed and demonstrated with examples on how to use these ILs for large-scale FG research. Complementary to the genome-wide insertional mutants, these ILs opens a new way for highly efficient discovery, candidate gene identification and cloning of important QTLs for specific phenotypes based on convergent evidence from QTL position, expression profiling, functional and molecular diversity analyses of candidate genes, highlights the importance of genetic networks underlying complex phenotypes in rice that may ultimately lead to more complete understanding of the genetic and molecular bases of quantitative trait variation in rice.
journal_name
Plant Mol Bioljournal_title
Plant molecular biologyauthors
Li ZK,Fu BY,Gao YM,Xu JL,Ali J,Lafitte HR,Jiang YZ,Rey JD,Vijayakumar CH,Maghirang R,Zheng TQ,Zhu LHdoi
10.1007/s11103-005-8519-3subject
Has Abstractpub_date
2005-09-01 00:00:00pages
33-52issue
1eissn
0167-4412issn
1573-5028journal_volume
59pub_type
杂志文章abstract::The plant senescence syndrome resembles, in many molecular and phenotypic aspects, plant responses to abiotic stresses. Both processes have an enormous negative global agro-economic impact and endanger food security worldwide. Premature plant senescence is the main cause of losses in grain filling and biomass yield du...
journal_title:Plant molecular biology
pub_type: 杂志文章,评审
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更新日期:2013-08-01 00:00:00
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journal_title:Plant molecular biology
pub_type: 杂志文章
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journal_title:Plant molecular biology
pub_type: 杂志文章
doi:10.1007/BF00039627
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journal_title:Plant molecular biology
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journal_title:Plant molecular biology
pub_type: 杂志文章
doi:10.1023/a:1005711720930
更新日期:1997-01-01 00:00:00
abstract::The expression of beta-amylase genes in rice (Oryza sativa) and its regulation by phytohormones gibberellic acid (GA) and abscisic acid (ABA) were examined. Upon germination beta-amylase is synthesized de novo in aleurone cells and (GA) is not required. Exogenous addition of GA does not enhance the beta-amylase activi...
journal_title:Plant molecular biology
pub_type: 杂志文章
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更新日期:1996-08-01 00:00:00
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journal_title:Plant molecular biology
pub_type: 杂志文章
doi:10.1007/BF00014494
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journal_title:Plant molecular biology
pub_type: 杂志文章
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journal_title:Plant molecular biology
pub_type: 杂志文章
doi:10.1007/s11103-020-01051-6
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pub_type: 杂志文章
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journal_title:Plant molecular biology
pub_type: 杂志文章
doi:10.1023/a:1006369104530
更新日期:1999-10-01 00:00:00
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journal_title:Plant molecular biology
pub_type: 杂志文章
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更新日期:2007-09-01 00:00:00
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journal_title:Plant molecular biology
pub_type: 杂志文章
doi:10.1007/BF00019182
更新日期:1995-01-01 00:00:00
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journal_title:Plant molecular biology
pub_type: 杂志文章
doi:10.1007/BF00014183
更新日期:1987-01-01 00:00:00
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journal_title:Plant molecular biology
pub_type: 杂志文章
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journal_title:Plant molecular biology
pub_type: 杂志文章
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journal_title:Plant molecular biology
pub_type: 杂志文章
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journal_title:Plant molecular biology
pub_type: 杂志文章
doi:10.1007/BF00016504
更新日期:1990-05-01 00:00:00
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journal_title:Plant molecular biology
pub_type: 杂志文章
doi:10.1007/BF00042230
更新日期:1996-06-01 00:00:00
abstract::The 22 kDa auxin-binding proteins in higher plants have received considerable attention as candidates for an auxin receptor. A cDNA clone Ca-ERabp1 of hot pepper (Capsicum annum) was isolated using the oligonucleotides as PCR primers. The cDNA codes for a polypeptide related to the major 22 kDa auxin-binding protein f...
journal_title:Plant molecular biology
pub_type: 杂志文章
doi:10.1007/BF00020496
更新日期:1996-12-01 00:00:00
abstract:KEY MESSAGE:This research is the first to demonstrate that OsSAUR45 is involved in plant growth though affecting auxin synthesis and transport by repressing OsYUCCA and OsPIN gene expression in rice. Small auxin-up RNAs (SAURs) comprise a large multigene family and are rapidly activated as part of the primary auxin res...
journal_title:Plant molecular biology
pub_type: 杂志文章
doi:10.1007/s11103-017-0595-7
更新日期:2017-05-01 00:00:00
abstract::A rice gene, OsAPT2, which encodes a putative adenine phosphoribosyl transferase (APRT), was cloned and characterized. Analysis of the cDNA and genomic sequences revealed seven exons and six introns in the OsAPT2. The deduced amino acid sequence of OsAPT2 is highly homologous to those of previously isolated APRTs. RT-...
journal_title:Plant molecular biology
pub_type: 杂志文章
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journal_title:Plant molecular biology
pub_type: 杂志文章
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更新日期:1999-01-01 00:00:00
abstract::Hevea brasiliensis, being the only source of commercial natural rubber, is an extremely economically important crop. In an effort to facilitate biological, biochemical and molecular research in rubber biosynthesis, here we report the use of next-generation massively parallel sequencing technologies and de novo transcr...
journal_title:Plant molecular biology
pub_type: 杂志文章
doi:10.1007/s11103-011-9811-z
更新日期:2011-10-01 00:00:00
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journal_title:Plant molecular biology
pub_type: 杂志文章
doi:10.1007/BF00021807
更新日期:1996-05-01 00:00:00