Acidity stress for the systemic elicitation of glyceollin phytoalexins in soybean plants.
Identifieur interne : 000588 ( Main/Exploration ); précédent : 000587; suivant : 000589Acidity stress for the systemic elicitation of glyceollin phytoalexins in soybean plants.
Auteurs : Md Asraful Jahan [États-Unis] ; Nik Kovinich [États-Unis]Source :
- Plant signaling & behavior [ 1559-2324 ] ; 2019.
Descripteurs français
- KwdFr :
- MESH :
- métabolisme : Plant, Ptérocarpanes, Racines de plante, Sesquiterpènes, Soja.
- Concentration en ions d'hydrogène, Stress physiologique.
English descriptors
- KwdEn :
- MESH :
- chemical , metabolism : Pterocarpans, Sesquiterpenes.
- metabolism : Plant Roots, Seedlings, Soybeans.
- Hydrogen-Ion Concentration, Stress, Physiological.
Abstract
Glyceollins are the major pathogen- and stress-inducible natural products (phytoalexins) of soybean that possess broad-spectrum anticancer and neuroprotective properties. Yet like other phytoalexins, glyceollins are difficult to obtain because they are typically biosynthesized only transiently and in low amounts in plant tissues. We recently identified acidity stress (pH 3.0 growth medium) as an elicitor that exerted prolonged (week-long) inductive effects on glyceollin biosynthesis and identified the NAC family TF gene GmNAC42-1 that activates glyceollin biosynthesis in response to acidity stress or WGE from the soybean pathogen Phytophthora sojae. GmNAC42-1 was annotated as an SAR gene and SAR genes were statistically overrepresented in the transcriptomic response to acidity stress suggesting that acidity stress triggers the systemic elicitation of glyceollin biosynthesis. Here, we demonstrate that acidity stress acts as a systemic elicitor when provided to soybean roots. Acidity stress preferentially elicited specific glyceollins in different soybean organs with exceptionally high yields of glyceollin I in root tissues.
DOI: 10.1080/15592324.2019.1604018
PubMed: 30985226
PubMed Central: PMC6619962
Affiliations:
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Le document en format XML
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Yet like other phytoalexins, glyceollins are difficult to obtain because they are typically biosynthesized only transiently and in low amounts in plant tissues. We recently identified acidity stress (pH 3.0 growth medium) as an elicitor that exerted prolonged (week-long) inductive effects on glyceollin biosynthesis and identified the NAC family TF gene <i>GmNAC42-1</i> that activates glyceollin biosynthesis in response to acidity stress or WGE from the soybean pathogen <i>Phytophthora sojae. GmNAC42-1</i> was annotated as an SAR gene and SAR genes were statistically overrepresented in the transcriptomic response to acidity stress suggesting that acidity stress triggers the systemic elicitation of glyceollin biosynthesis. Here, we demonstrate that acidity stress acts as a systemic elicitor when provided to soybean roots. Acidity stress preferentially elicited specific glyceollins in different soybean organs with exceptionally high yields of glyceollin I in root tissues.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">30985226</PMID><DateCompleted><Year>2020</Year><Month>05</Month><Day>04</Day></DateCompleted><DateRevised><Year>2020</Year><Month>05</Month><Day>05</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1559-2324</ISSN><JournalIssue CitedMedium="Internet"><Volume>14</Volume><Issue>7</Issue><PubDate><Year>2019</Year></PubDate></JournalIssue><Title>Plant signaling & behavior</Title><ISOAbbreviation>Plant Signal Behav</ISOAbbreviation></Journal><ArticleTitle>Acidity stress for the systemic elicitation of glyceollin phytoalexins in soybean plants.</ArticleTitle><Pagination><MedlinePgn>1604018</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1080/15592324.2019.1604018</ELocationID><Abstract><AbstractText>Glyceollins are the major pathogen- and stress-inducible natural products (phytoalexins) of soybean that possess broad-spectrum anticancer and neuroprotective properties. Yet like other phytoalexins, glyceollins are difficult to obtain because they are typically biosynthesized only transiently and in low amounts in plant tissues. We recently identified acidity stress (pH 3.0 growth medium) as an elicitor that exerted prolonged (week-long) inductive effects on glyceollin biosynthesis and identified the NAC family TF gene <i>GmNAC42-1</i> that activates glyceollin biosynthesis in response to acidity stress or WGE from the soybean pathogen <i>Phytophthora sojae. GmNAC42-1</i> was annotated as an SAR gene and SAR genes were statistically overrepresented in the transcriptomic response to acidity stress suggesting that acidity stress triggers the systemic elicitation of glyceollin biosynthesis. Here, we demonstrate that acidity stress acts as a systemic elicitor when provided to soybean roots. 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MajorTopicYN="N">Hydrogen-Ion Concentration</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D018517" MajorTopicYN="N">Plant Roots</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D036343" MajorTopicYN="N">Pterocarpans</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D036226" MajorTopicYN="N">Seedlings</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D012717" MajorTopicYN="N">Sesquiterpenes</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D013025" MajorTopicYN="N">Soybeans</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D013312" MajorTopicYN="Y">Stress, Physiological</DescriptorName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="Y">Bioproduction</Keyword><Keyword MajorTopicYN="Y">isoflavonoid</Keyword><Keyword MajorTopicYN="Y">natural products</Keyword><Keyword MajorTopicYN="Y">phytoalexin</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>2019</Year><Month>4</Month><Day>16</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2020</Year><Month>5</Month><Day>6</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2019</Year><Month>4</Month><Day>16</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">30985226</ArticleId><ArticleId IdType="doi">10.1080/15592324.2019.1604018</ArticleId><ArticleId 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