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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국미생물생명공학회 Journal of Microbiology and Biotechnology Journal of Microbiology and Biotechnology 제20권 제1호
- 발행연도
- 2010.1
- 수록면
- 208 - 216 (9page)
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초록· 키워드
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Fusarium verticillioides is an important pathogen of maize,being responsible for ear rots, stalk rots, and seedling blight worldwide. During the past decade, F. verticillioides has caused several severe epidemics of maize seedling blight in many areas of China, which lead to significant losses. In order to understand the molecular mechanisms regulating fungal development and pathogenicity in this pathogen,we isolated and characterized the gene fpk1 (GenBank Accession No. EF405959) encoding a homolog of the cAMPdependent protein kinase catalytic subunit, which included a 1,854-bp DNA sequence from ATG to TAA, with a 1,680-bp coding region, and three introns (lengths: 66 bp, 54 bp, and 54 bp), and the predicated protein precursor had 559 aa.
The mutant Δfpk1, which was disrupted of the fpk1 gene,showed reduced vegetative growth, fewer and shorter aerial mycelia, strongly impaired conidiation, and reduced spore germination rate. After germinating, the fresh hypha was stubby and lacking of branch. When inoculated in susceptible maize varieties, the infection of the mutant Δfpk1 was delayed and the infection efficiency was reduced compared with that of the wild-type strain. All this indicated that gene fpk1 participated in hyphal growth, conidiophore production,spore germination, and virulence in F. verticillioides.
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참고문헌 (22)
참고문헌 신청
Adams, T. H / 1998 / Coordinate control of secondary metabolite production and asexual sporulation in Aspergillus nidulans / Microbiology 1 : 674 ~ 677
Burghard, L / 2004 / The cyclic AMP-dependent protein kinase A network regulates development and virulence in Aspergillus fumigatus / Infect. Immun 72 : 5193 ~ 5203
Cletus, A / 2001 / Conserved cAMP signaling cascades regulate fungal development and virulence / Microbiology 25 : 349 ~ 364
Cloutier, M / 2003 / The two isoforms of the cAMPdependent protein kinase catalytic subunit are involved in the control of dimorphism in the human fungal pathogen Candida alb
Durrenberger, F / 1998 / Identification of a cAMP-dependent protein kinase catalytic subunit required for virulence and morphogenesis in Ustilago maydis / Proc. Natl. Acad. Sci. U.
Burghard, L / 2004 / The cyclic AMP-dependent protein kinase A network regulates development and virulence in Aspergillus fumigatus / Infect. Immun 72 : 5193 ~ 5203
Cletus, A / 2001 / Conserved cAMP signaling cascades regulate fungal development and virulence / Microbiology 25 : 349 ~ 364
Cloutier, M / 2003 / The two isoforms of the cAMPdependent protein kinase catalytic subunit are involved in the control of dimorphism in the human fungal pathogen Candida alb
Durrenberger, F / 1998 / Identification of a cAMP-dependent protein kinase catalytic subunit required for virulence and morphogenesis in Ustilago maydis / Proc. Natl. Acad. Sci. U.
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