Abstract:
:Kernel size and morphology influence the market value and milling yield of bread wheat (Triticum aestivum L.). The objective of this study was to identify quantitative trait loci (QTLs) controlling kernel traits in hexaploid wheat. We recorded 1000-kernel weight, kernel length, and kernel width for 185 recombinant inbred lines from the cross Rye Selection 111 × Chinese Spring grown in 2 agro-climatic regions in India for many years. Composite interval mapping (CIM) was employed for QTL detection using a linkage map with 169 simple sequence repeat (SSR) markers. For 1000-kernel weight, 10 QTLs were identified on wheat chromosomes 1A, 1D, 2B, 2D, 4B, 5B, and 6B, whereas 6 QTLs for kernel length were detected on 1A, 2B, 2D, 5A, 5B and 5D. Chromosomes 1D, 2B, 2D, 4B, 5B and 5D had 9 QTLs for kernel width. Chromosomal regions with QTLs detected consistently for multiple year-location combinations were identified for each trait. Pleiotropic QTLs were found on chromosomes 2B, 2D, 4B, and 5B. The identified genomic regions controlling wheat kernel size and shape can be targeted during further studies for their genetic dissection.
journal_name
J Appl Genetjournal_title
Journal of applied geneticsauthors
Ramya P,Chaubal A,Kulkarni K,Gupta L,Kadoo N,Dhaliwal HS,Chhuneja P,Lagu M,Gupta Vdoi
10.1007/BF03208872subject
Has Abstractpub_date
2010-01-01 00:00:00pages
421-9issue
4eissn
1234-1983issn
2190-3883pii
592journal_volume
51pub_type
杂志文章abstract::Chromosome pairing in tetraploid Secalotriticum was analysed. In the studied plants wheat chromosomes in PMCs during metaphase I showed a higher degree of pairing, in comparison to the rye genome. This is reflected in a very low frequency of univalents and a higher frequency of ring bivalents. The occurrence of wheat ...
journal_title:Journal of applied genetics
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abstract::Arctic char (Salvelinus alpinus) and brook trout (Salvelinus fontinalis) hybridize and their offspring is viable and fertile. This may be a real treat for the native European stocks of Arctic char which gene pools might be unintendedly contaminated with the genetic elements of brook trout. On the other hand, hybrids o...
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pub_type: 杂志文章,评审
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journal_title:Journal of applied genetics
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journal_title:Journal of applied genetics
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journal_title:Journal of applied genetics
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更新日期:2004-01-01 00:00:00
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pub_type: 杂志文章,评审
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abstract::The long QT syndrome (LQTS) is a disorder of ventricular repolarization that exposes affected individuals to cardiac arrhythmias and sudden death. The first gene for LQTS has been mapped to chromosome 11 p.15.5 by genome-wide linkage analysis. This gene, originally named KVLQT1 (and later KCNQ1), is a novel potassium ...
journal_title:Journal of applied genetics
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更新日期:2002-01-01 00:00:00
abstract::Myostatin (GDF-8) is a key protein responsible for skeletal muscle growth and development, thus mutations in the mstn gene can have major economic and breeding consequences. The aim of the present study was to investigate myostatin gene expression and transcriptional profile in skeletal muscle of Holstein-Friesian (Bl...
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journal_title:Journal of applied genetics
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journal_title:Journal of applied genetics
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更新日期:2001-01-01 00:00:00
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pub_type: 杂志文章,评审
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abstract::The number of functional teats is an important selection criterion in pig breeding. Inherited defects of the udder, such as the inverted teat, do have a considerable negative impact on the nursing ability of the sow. To investigate the genetic background of this defect and the number of functional teats in Swedish mat...
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abstract::Tumour necrosis factor alpha (TNF-α) is one kind of cytokines which is related to inflammation and lipid metabolism. TNF-α cDNA was cloned from the liver of blunt snout bream (Megalobrama amblycephala) through real-time polymerase chain reaction (PCR) and rapid amplification of cDNA ends (RACE) methods. The full-lengt...
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abstract::Establishing translocated populations is a common process to preserve and maintain genetic diversity of threatened species. In 2001, three translocated populations of noble crayfish (Astacus astacus) were established in the Czech Republic, founded by either adult or juvenile individuals from three particular source po...
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