Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
8
pubmed:dateCreated
2009-8-24
pubmed:abstractText
The APSES protein family includes important transcriptional regulators of morphological processes in ascomycetes. We identified a deletion mutant of the APSES protein Mstu1 in Magnaporthe grisea that showed reduced conidiation and mycelial growth. Mstu1 formed a number of appressoria comparable to the wild type, although appressorium formation was delayed. In M. grisea, rapid transfer of conidial glycogen and lipid droplets to incipient appressoria is required for appressorial turgor generation, which the fungus uses to penetrate plant cuticles. Appressorial turgor was low in mstu1 and the mutant was deficient in appressorium-mediated invasion of rice leaves. The transfer of conidial glycogen and lipid droplets was remarkably delayed in mstu1, and a consequent delay in degradation of these conidial reserves was observed. Our results indicate that Mstu1 is required for appressorium-mediated infection due to its involvement in the mobilization of lipids and glycogen.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Aug
pubmed:issn
1347-6947
pubmed:author
pubmed:issnType
Electronic
pubmed:volume
73
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
1779-86
pubmed:meshHeading
pubmed:year
2009
pubmed:articleTitle
Mstu1, an APSES transcription factor, is required for appressorium-mediated infection in Magnaporthe grisea.
pubmed:affiliation
National Institute of Agrobiological Sciences, Tsukuba, Ibaraki, Japan. marie@affrc.go.jp
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't