Function of PoLAE2, a laeA homolog, in appressorium formation and cAMP signal transduction in Pyricularia oryzae

Function of PoLAE2, a laeA homolog, in appressorium formation and cAMP signal transduction in Pyricularia oryzae

A novel homolog of laeA, a global regulatory gene in filamentous fungi, was identified from Pyricularia oryzae. A deletion mutant of the homolog (PoLAE2) exhibited lowered intracellular cAMP levels, and decreased appressorium formation on non-host surface; the decrease was recovered using exogenous...

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Veröffentlicht in:Bioscience, biotechnology, and biochemistry biotechnology, and biochemistry, 2020-11, Vol.84 (11), p.2401-2404
Hauptverfasser: Prajanket, Pradabrat, Vu, Kim-Chi Thi, Arai, Jun, Sornkom, Worawan, Abe, Ayumi, Sone, Teruo
Format: Artikel
Sprache:eng
Schlagworte:
appressorium formation
Ascomycota - cytology
Ascomycota - metabolism
cAMP
Cyclic AMP - metabolism
Fungal Proteins - metabolism
Intracellular Space - metabolism
LaeA
Signal Transduction
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Zusammenfassung:A novel homolog of laeA, a global regulatory gene in filamentous fungi, was identified from Pyricularia oryzae. A deletion mutant of the homolog (PoLAE2) exhibited lowered intracellular cAMP levels, and decreased appressorium formation on non-host surface; the decrease was recovered using exogenous cAMP and IBMX, indicating that PoLAE2 deletion affected the cAMP signaling pathway.
ISSN:0916-8451
1347-6947
DOI:10.1080/09168451.2020.1801379