A high-temperature tolerant species in clade 9 of the genus Phytophthora: P. hydrogena sp. nov.
Identifieur interne : 000F55 ( Main/Exploration ); précédent : 000F54; suivant : 000F56A high-temperature tolerant species in clade 9 of the genus Phytophthora: P. hydrogena sp. nov.
Auteurs : Xiao Yang [États-Unis] ; Mannon E. Gallegly ; Chuanxue HongSource :
- Mycologia [ 0027-5514 ]
Descripteurs français
- KwdFr :
- MESH :
- composition chimique : Phytophthora.
- génétique : Phytophthora.
- isolement et purification : Phytophthora.
- microbiologie : Eau douce, Maladies des plantes.
- Données de séquences moléculaires, Phylogenèse, Température.
English descriptors
- KwdEn :
- MESH :
- chemistry : Phytophthora.
- classification : Phytophthora.
- genetics : Phytophthora.
- isolation & purification : Phytophthora.
- microbiology : Fresh Water, Plant Diseases.
- Molecular Sequence Data, Phylogeny, Temperature.
Abstract
A previously unknown Phytophthora species was isolated from irrigation water in Virginia, USA. This novel species produces abundant noncaducous and nonpapillate sporangia in soil water extract solution. It sometimes produces chlamydospores and hyphal swellings in aged cultures and in Petri's solution. This species has optimum vegetative growth at 30 C and grows well at 35 C. The lowest and highest temperatures for growth are 5 and 40 C. All isolates examined in this study are compatibility type A1 and produce mostly plerotic oospores when paired with an A2 mating-type tester of P. cinnamomi. Sequence analyses of the rDNA internal transcribed spacer (ITS) regions and the mitochondrially encoded cytochrome c oxidase 1 (cox 1) gene placed this species in clade 9 of the genus Phytophthora. These characteristics support the description of this taxon as a new species for which we propose the name P. hydrogena sp. nov. Further phylogenetic and physiological investigations of clade 9 species revealed a high-temperature tolerant cluster including P. hydrogena, P. aquimorbida, P. hydropathica, P. irrigata, P. chrysanthemi, P. insolita, P. polonica and P. parsiana. These species all grow well at 35 C. The monophyly of the species in this heat-tolerant cluster except P. insolita and P. polonica is highly supported by the maximum-likelihood analyses of the ITS and cox 1 sequences.
DOI: 10.3852/13-043
PubMed: 24396104
Affiliations:
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Gallegly</name></author><author><name sortKey="Hong, Chuanxue" sort="Hong, Chuanxue" uniqKey="Hong C" first="Chuanxue" last="Hong">Chuanxue Hong</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2014">2014 Jan-Feb</date><idno type="RBID">pubmed:24396104</idno><idno type="pmid">24396104</idno><idno type="doi">10.3852/13-043</idno><idno type="wicri:Area/Main/Corpus">001154</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">001154</idno><idno type="wicri:Area/Main/Curation">001154</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Curation">001154</idno><idno type="wicri:Area/Main/Exploration">001154</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">A high-temperature tolerant species in clade 9 of the genus Phytophthora: P. hydrogena sp. nov.</title><author><name sortKey="Yang, Xiao" sort="Yang, Xiao" uniqKey="Yang X" first="Xiao" last="Yang">Xiao Yang</name><affiliation wicri:level="2"><nlm:affiliation>Department of Plant Pathology, Physiology and Weed Science, Hampton Roads Agricultural Research and Extension Center, Virginia Polytechnic Institute and State University, Virginia Beach, Virginia 23455.</nlm:affiliation><country xml:lang="fr">États-Unis</country><placeName><region type="state">Virginie</region></placeName><wicri:cityArea>Department of Plant Pathology, Physiology and Weed Science, Hampton Roads Agricultural Research and Extension Center, Virginia Polytechnic Institute and State University, Virginia Beach</wicri:cityArea></affiliation></author><author><name sortKey="Gallegly, Mannon E" sort="Gallegly, Mannon E" uniqKey="Gallegly M" first="Mannon E" last="Gallegly">Mannon E. Gallegly</name></author><author><name sortKey="Hong, Chuanxue" sort="Hong, Chuanxue" uniqKey="Hong C" first="Chuanxue" last="Hong">Chuanxue Hong</name></author></analytic><series><title level="j">Mycologia</title><idno type="ISSN">0027-5514</idno></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Fresh Water (microbiology)</term><term>Molecular Sequence Data (MeSH)</term><term>Phylogeny (MeSH)</term><term>Phytophthora (chemistry)</term><term>Phytophthora (classification)</term><term>Phytophthora (genetics)</term><term>Phytophthora (isolation & purification)</term><term>Plant Diseases (microbiology)</term><term>Temperature (MeSH)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Données de séquences moléculaires (MeSH)</term><term>Eau douce (microbiologie)</term><term>Maladies des plantes (microbiologie)</term><term>Phylogenèse (MeSH)</term><term>Phytophthora (classification)</term><term>Phytophthora (composition chimique)</term><term>Phytophthora (génétique)</term><term>Phytophthora (isolement et purification)</term><term>Température (MeSH)</term></keywords><keywords scheme="MESH" qualifier="chemistry" xml:lang="en"><term>Phytophthora</term></keywords><keywords scheme="MESH" qualifier="classification" xml:lang="en"><term>Phytophthora</term></keywords><keywords scheme="MESH" qualifier="composition chimique" xml:lang="fr"><term>Phytophthora</term></keywords><keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Phytophthora</term></keywords><keywords scheme="MESH" qualifier="génétique" xml:lang="fr"><term>Phytophthora</term></keywords><keywords scheme="MESH" qualifier="isolation & purification" xml:lang="en"><term>Phytophthora</term></keywords><keywords scheme="MESH" qualifier="isolement et purification" xml:lang="fr"><term>Phytophthora</term></keywords><keywords scheme="MESH" qualifier="microbiologie" xml:lang="fr"><term>Eau douce</term><term>Maladies des plantes</term></keywords><keywords scheme="MESH" qualifier="microbiology" xml:lang="en"><term>Fresh Water</term><term>Plant Diseases</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Molecular Sequence Data</term><term>Phylogeny</term><term>Temperature</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Données de séquences moléculaires</term><term>Phylogenèse</term><term>Température</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">A previously unknown Phytophthora species was isolated from irrigation water in Virginia, USA. This novel species produces abundant noncaducous and nonpapillate sporangia in soil water extract solution. It sometimes produces chlamydospores and hyphal swellings in aged cultures and in Petri's solution. This species has optimum vegetative growth at 30 C and grows well at 35 C. The lowest and highest temperatures for growth are 5 and 40 C. All isolates examined in this study are compatibility type A1 and produce mostly plerotic oospores when paired with an A2 mating-type tester of P. cinnamomi. Sequence analyses of the rDNA internal transcribed spacer (ITS) regions and the mitochondrially encoded cytochrome c oxidase 1 (cox 1) gene placed this species in clade 9 of the genus Phytophthora. These characteristics support the description of this taxon as a new species for which we propose the name P. hydrogena sp. nov. Further phylogenetic and physiological investigations of clade 9 species revealed a high-temperature tolerant cluster including P. hydrogena, P. aquimorbida, P. hydropathica, P. irrigata, P. chrysanthemi, P. insolita, P. polonica and P. parsiana. These species all grow well at 35 C. The monophyly of the species in this heat-tolerant cluster except P. insolita and P. polonica is highly supported by the maximum-likelihood analyses of the ITS and cox 1 sequences. </div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">24396104</PMID><DateCompleted><Year>2014</Year><Month>04</Month><Day>15</Day></DateCompleted><DateRevised><Year>2014</Year><Month>03</Month><Day>07</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Print">0027-5514</ISSN><JournalIssue CitedMedium="Print"><Volume>106</Volume><Issue>1</Issue><PubDate><MedlineDate>2014 Jan-Feb</MedlineDate></PubDate></JournalIssue><Title>Mycologia</Title><ISOAbbreviation>Mycologia</ISOAbbreviation></Journal><ArticleTitle>A high-temperature tolerant species in clade 9 of the genus Phytophthora: P. hydrogena sp. nov.</ArticleTitle><Pagination><MedlinePgn>57-65</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.3852/13-043</ELocationID><Abstract><AbstractText>A previously unknown Phytophthora species was isolated from irrigation water in Virginia, USA. This novel species produces abundant noncaducous and nonpapillate sporangia in soil water extract solution. It sometimes produces chlamydospores and hyphal swellings in aged cultures and in Petri's solution. This species has optimum vegetative growth at 30 C and grows well at 35 C. The lowest and highest temperatures for growth are 5 and 40 C. All isolates examined in this study are compatibility type A1 and produce mostly plerotic oospores when paired with an A2 mating-type tester of P. cinnamomi. Sequence analyses of the rDNA internal transcribed spacer (ITS) regions and the mitochondrially encoded cytochrome c oxidase 1 (cox 1) gene placed this species in clade 9 of the genus Phytophthora. These characteristics support the description of this taxon as a new species for which we propose the name P. hydrogena sp. nov. Further phylogenetic and physiological investigations of clade 9 species revealed a high-temperature tolerant cluster including P. hydrogena, P. aquimorbida, P. hydropathica, P. irrigata, P. chrysanthemi, P. insolita, P. polonica and P. parsiana. These species all grow well at 35 C. The monophyly of the species in this heat-tolerant cluster except P. insolita and P. polonica is highly supported by the maximum-likelihood analyses of the ITS and cox 1 sequences. </AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Yang</LastName><ForeName>Xiao</ForeName><Initials>X</Initials><AffiliationInfo><Affiliation>Department of Plant Pathology, Physiology and Weed Science, Hampton Roads Agricultural Research and Extension Center, Virginia Polytechnic Institute and State University, Virginia Beach, Virginia 23455.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Gallegly</LastName><ForeName>Mannon E</ForeName><Initials>ME</Initials></Author><Author ValidYN="Y"><LastName>Hong</LastName><ForeName>Chuanxue</ForeName><Initials>C</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013486">Research Support, U.S. Gov't, Non-P.H.S.</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2014</Year><Month>01</Month><Day>06</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Mycologia</MedlineTA><NlmUniqueID>0400764</NlmUniqueID><ISSNLinking>0027-5514</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D005618" MajorTopicYN="N">Fresh Water</DescriptorName><QualifierName UI="Q000382" MajorTopicYN="Y">microbiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D008969" MajorTopicYN="N">Molecular Sequence Data</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D010802" MajorTopicYN="N">Phylogeny</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D010838" MajorTopicYN="N">Phytophthora</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="N">chemistry</QualifierName><QualifierName UI="Q000145" MajorTopicYN="Y">classification</QualifierName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName><QualifierName UI="Q000302" MajorTopicYN="Y">isolation & purification</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D010935" MajorTopicYN="N">Plant Diseases</DescriptorName><QualifierName UI="Q000382" MajorTopicYN="Y">microbiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D013696" MajorTopicYN="N">Temperature</DescriptorName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">Phytophthora hydrogena</Keyword><Keyword MajorTopicYN="N">clade 9</Keyword><Keyword MajorTopicYN="N">high-temperature tolerance</Keyword><Keyword MajorTopicYN="N">irrigation water</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="entrez"><Year>2014</Year><Month>1</Month><Day>8</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2014</Year><Month>1</Month><Day>8</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2014</Year><Month>4</Month><Day>16</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">24396104</ArticleId><ArticleId IdType="pii">13-043</ArticleId><ArticleId IdType="doi">10.3852/13-043</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>États-Unis</li></country><region><li>Virginie</li></region></list><tree><noCountry><name sortKey="Gallegly, Mannon E" sort="Gallegly, Mannon E" uniqKey="Gallegly M" first="Mannon E" last="Gallegly">Mannon E. Gallegly</name><name sortKey="Hong, Chuanxue" sort="Hong, Chuanxue" uniqKey="Hong C" first="Chuanxue" last="Hong">Chuanxue Hong</name></noCountry><country name="États-Unis"><region name="Virginie"><name sortKey="Yang, Xiao" sort="Yang, Xiao" uniqKey="Yang X" first="Xiao" last="Yang">Xiao Yang</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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