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Crop and Pasture Science
Article
Data sources: UnpayWall
Mémoires en Sciences de l'Information et de la Communication; Hal; Hal-Diderot; HAL INRAE
Conference object . 2016
Data sources: Hal; Mémoires en Sciences de l'Information et de la Communication; Hal-Diderot; HAL INRAE
Crop and Pasture Science
Article . 2018 . Peer-reviewed
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Crop and Pasture Science
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genome wide identification and comparative analysis of nbs lrr resistance genes in brassica napus

descriptionPublicationkeyboard_double_arrow_right Conference object , Article , Journal 01 Jan 2018 France Publisher:CSIRO PublishingJournal:Crop and Pasture Science, volume 69, page 72 (issn: 1836-0947, Copyright policy )
Authors: Salman Alamery; Salman Alamery; Boulos Chaloub; Reece Tollenaere; David Edwards; David Edwards; Jacqueline Batley; +4 Authors

doi: 10.1071/cp17214

genome wide identification and comparative analysis of nbs lrr resistance genes in brassica napus

Abstract

Plant disease-resistance genes play a critical role in providing resistance against pathogens. The largest family of resistance genes are the nucleotide-binding site (NBS) and leucine-rich repeat (LRR) genes. They are classified into two major subfamilies, toll/interleukin-1 receptor (TIR)-NBS-LRR (TNL) and coiled-coil (CC)-NBS-LRR (CNL) proteins. We have identified and characterised 641 NBS-LRR genes in Brassica napus, 249 in B. rapa and 443 in B. oleracea. A ratio of 1 : 2 of CNL : TNL genes was found in the three species. Domain structure analysis revealed that 57% of the NBS-LRR genes are typical resistance genes and contain all three domains (TIR/CC, NBS, LRR), whereas the remaining genes are partially deleted or truncated. Of the NBS-LRR genes, 59% were found to be physically clustered, and individual genes involved in clusters were more polymorphic than those not clustered. Of the NBS-LRR genes in B. napus, 50% were identified as duplicates, reflecting a high level of genomic duplication and rearrangement. Comparative analysis between B. napus and its progenitor species indicated that >60% of NBS-LRR genes are conserved in B. napus. This study provides a valuable resource for the identification and characterisation of candidate NBS-LRR genes.

Country
France
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Keywords

disease resistance, gene duplication, [SDV.BV]Life Sciences [q-bio]/Vegetal Biology, comparative genomics, gene cluster

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    citations
    This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    		 57
    popularity
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    		 Top 10%
    influence
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    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
57
Top 10%
Average
Top 1%
bronze
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