The progress of leaf rust research in wheat.
Identifieur interne : 000023 ( Main/Exploration ); précédent : 000022; suivant : 000024The progress of leaf rust research in wheat.
Auteurs : Pramod Prasad [Inde] ; Siddanna Savadi [Inde] ; S C Bhardwaj [Inde] ; P K Gupta [Inde]Source :
- Fungal biology [ 1878-6146 ] ; 2020.
Abstract
Leaf rust (also called brown rust) in wheat, caused by fungal pathogen Puccinia triticina Erikss. (Pt) is one of the major constraints in wheat production worldwide. Pt is widespread with diverse population structure and undergoes rapid evolution to produce new virulent races against resistant cultivars that are regularly developed to provide resistance against the prevailing races of the pathogen. Occasionally, the disease may also take the shape of an epidemic in some wheat-growing areas causing major economic losses. In the recent past, substantial progress has been made in characterizing the sources of leaf rust resistance including non-host resistance (NHR). Progress has also been made in elucidating the population biology of Pt and the mechanisms of wheat-Pt interaction. So far, ∼80 leaf rust resistance genes (Lr genes) have been identified and characterized; some of them have also been used for the development of resistant wheat cultivars. It has also been shown that a gene-for-gene relationship exists between individual wheat Lr genes and the corresponding Pt Avr genes so that no Lr gene can provide resistance unless the prevailing race of the pathogen carries the corresponding Avr gene. Several Lr genes have also been cloned and their products characterized, although no Avr gene corresponding a specific Lr gene has so far been identified. However, several candidate effectors for Pt have been identified and functionally characterized using genome-wide analyses, transcriptomics, RNA sequencing, bimolecular fluorescence complementation (BiFC), virus-induced gene silencing (VIGS), transient expression and other approaches. This review summarizes available information on different aspects of the pathogen Pt, genetics/genomics of leaf rust resistance in wheat including cloning and characterization of Lr genes and epigenetic regulation of disease resistance.
DOI: 10.1016/j.funbio.2020.02.013
PubMed: 32448445
Affiliations:
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Electronic address: pkgupta36@gmail.com.</nlm:affiliation><country xml:lang="fr">Inde</country><wicri:regionArea>Department of Genetics and Plant Breeding, Ch.Charan Singh University, Meerut, 250004</wicri:regionArea><wicri:noRegion>250004</wicri:noRegion></affiliation></author></analytic><series><title level="j">Fungal biology</title><idno type="ISSN">1878-6146</idno><imprint><date when="2020" type="published">2020</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Leaf rust (also called brown rust) in wheat, caused by fungal pathogen Puccinia triticina Erikss. (Pt) is one of the major constraints in wheat production worldwide. Pt is widespread with diverse population structure and undergoes rapid evolution to produce new virulent races against resistant cultivars that are regularly developed to provide resistance against the prevailing races of the pathogen. Occasionally, the disease may also take the shape of an epidemic in some wheat-growing areas causing major economic losses. In the recent past, substantial progress has been made in characterizing the sources of leaf rust resistance including non-host resistance (NHR). Progress has also been made in elucidating the population biology of Pt and the mechanisms of wheat-Pt interaction. So far, ∼80 leaf rust resistance genes (Lr genes) have been identified and characterized; some of them have also been used for the development of resistant wheat cultivars. It has also been shown that a gene-for-gene relationship exists between individual wheat Lr genes and the corresponding Pt Avr genes so that no Lr gene can provide resistance unless the prevailing race of the pathogen carries the corresponding Avr gene. Several Lr genes have also been cloned and their products characterized, although no Avr gene corresponding a specific Lr gene has so far been identified. However, several candidate effectors for Pt have been identified and functionally characterized using genome-wide analyses, transcriptomics, RNA sequencing, bimolecular fluorescence complementation (BiFC), virus-induced gene silencing (VIGS), transient expression and other approaches. This review summarizes available information on different aspects of the pathogen Pt, genetics/genomics of leaf rust resistance in wheat including cloning and characterization of Lr genes and epigenetic regulation of disease resistance.</div></front></TEI><pubmed><MedlineCitation Status="In-Process" Owner="NLM"><PMID Version="1">32448445</PMID><DateRevised><Year>2020</Year><Month>11</Month><Day>16</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Print">1878-6146</ISSN><JournalIssue CitedMedium="Internet"><Volume>124</Volume><Issue>6</Issue><PubDate><Year>2020</Year><Month>06</Month></PubDate></JournalIssue><Title>Fungal biology</Title><ISOAbbreviation>Fungal Biol</ISOAbbreviation></Journal><ArticleTitle>The progress of leaf rust research in wheat.</ArticleTitle><Pagination><MedlinePgn>537-550</MedlinePgn></Pagination><ELocationID EIdType="pii" ValidYN="Y">S1878-6146(20)30033-7</ELocationID><ELocationID EIdType="doi" ValidYN="Y">10.1016/j.funbio.2020.02.013</ELocationID><Abstract><AbstractText>Leaf rust (also called brown rust) in wheat, caused by fungal pathogen Puccinia triticina Erikss. (Pt) is one of the major constraints in wheat production worldwide. Pt is widespread with diverse population structure and undergoes rapid evolution to produce new virulent races against resistant cultivars that are regularly developed to provide resistance against the prevailing races of the pathogen. Occasionally, the disease may also take the shape of an epidemic in some wheat-growing areas causing major economic losses. In the recent past, substantial progress has been made in characterizing the sources of leaf rust resistance including non-host resistance (NHR). Progress has also been made in elucidating the population biology of Pt and the mechanisms of wheat-Pt interaction. So far, ∼80 leaf rust resistance genes (Lr genes) have been identified and characterized; some of them have also been used for the development of resistant wheat cultivars. It has also been shown that a gene-for-gene relationship exists between individual wheat Lr genes and the corresponding Pt Avr genes so that no Lr gene can provide resistance unless the prevailing race of the pathogen carries the corresponding Avr gene. Several Lr genes have also been cloned and their products characterized, although no Avr gene corresponding a specific Lr gene has so far been identified. However, several candidate effectors for Pt have been identified and functionally characterized using genome-wide analyses, transcriptomics, RNA sequencing, bimolecular fluorescence complementation (BiFC), virus-induced gene silencing (VIGS), transient expression and other approaches. This review summarizes available information on different aspects of the pathogen Pt, genetics/genomics of leaf rust resistance in wheat including cloning and characterization of Lr genes and epigenetic regulation of disease resistance.</AbstractText><CopyrightInformation>Copyright © 2020 British Mycological Society. Published by Elsevier Ltd. All rights reserved.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Prasad</LastName><ForeName>Pramod</ForeName><Initials>P</Initials><AffiliationInfo><Affiliation>Indian Institute of Wheat and Barley Research, Regional Station, Shimla, Himachal Pradesh, 171002, India.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Savadi</LastName><ForeName>Siddanna</ForeName><Initials>S</Initials><AffiliationInfo><Affiliation>ICAR-Directorate of Cashew Research, Puttur, Karnataka, 574202, India.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Bhardwaj</LastName><ForeName>S C</ForeName><Initials>SC</Initials><AffiliationInfo><Affiliation>Indian Institute of Wheat and Barley Research, Regional Station, Shimla, Himachal Pradesh, 171002, India.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Gupta</LastName><ForeName>P K</ForeName><Initials>PK</Initials><AffiliationInfo><Affiliation>Department of Genetics and Plant Breeding, Ch.Charan Singh University, Meerut, 250004, India. Electronic address: pkgupta36@gmail.com.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D016454">Review</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2020</Year><Month>02</Month><Day>29</Day></ArticleDate></Article><MedlineJournalInfo><Country>Netherlands</Country><MedlineTA>Fungal Biol</MedlineTA><NlmUniqueID>101524465</NlmUniqueID></MedlineJournalInfo><CitationSubset>IM</CitationSubset><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="Y">Effectors</Keyword><Keyword MajorTopicYN="Y">Lr genes</Keyword><Keyword MajorTopicYN="Y">PR proteins</Keyword><Keyword MajorTopicYN="Y">Puccinia triticina</Keyword><Keyword MajorTopicYN="Y">QTLs</Keyword><Keyword MajorTopicYN="Y">SAR</Keyword></KeywordList><CoiStatement>Declaration of Competing Interest The authors have no conflict of interest.</CoiStatement></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2019</Year><Month>04</Month><Day>06</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2020</Year><Month>02</Month><Day>09</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2020</Year><Month>02</Month><Day>19</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2020</Year><Month>5</Month><Day>26</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2020</Year><Month>5</Month><Day>26</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2020</Year><Month>5</Month><Day>26</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">32448445</ArticleId><ArticleId IdType="pii">S1878-6146(20)30033-7</ArticleId><ArticleId IdType="doi">10.1016/j.funbio.2020.02.013</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Inde</li></country></list><tree><country name="Inde"><noRegion><name sortKey="Prasad, Pramod" sort="Prasad, Pramod" uniqKey="Prasad P" first="Pramod" last="Prasad">Pramod Prasad</name></noRegion><name sortKey="Bhardwaj, S C" sort="Bhardwaj, S C" uniqKey="Bhardwaj S" first="S C" last="Bhardwaj">S C Bhardwaj</name><name sortKey="Gupta, P K" sort="Gupta, P K" uniqKey="Gupta P" first="P K" last="Gupta">P K Gupta</name><name sortKey="Savadi, Siddanna" sort="Savadi, Siddanna" uniqKey="Savadi S" first="Siddanna" last="Savadi">Siddanna Savadi</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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