Global Analysis of Predicted G Protein-Coupled Receptor Genes in the Filamentous Fungus, Neurospora crassa

被引:39
作者
Cabrera, Ilva E. [1 ,2 ]
Pacentine, Itallia V. [1 ,3 ]
Lim, Andrew [1 ,3 ]
Guerrero, Nayeli [1 ,3 ]
Krystofova, Svetlana [1 ]
Li, Liande [1 ]
Michkov, Alexander V. [1 ,2 ]
Servin, Jacqueline A. [1 ]
Ahrendt, Steven R. [1 ,2 ]
Carrillo, Alexander J. [1 ,3 ]
Davidson, Liza M. [3 ]
Barsoum, Andrew H. [3 ]
Cao, Jackie [3 ]
Castillo, Ronald [3 ]
Chen, Wan-Ching [3 ]
Dinkchian, Alex [3 ]
Kim, Stephanie [3 ]
Kitada, Sho M. [3 ]
Lai, Taffani H. [3 ]
Mach, Ashley [3 ]
Malekyan, Cristin [3 ]
Moua, Toua R. [3 ]
Torres, Carlos Rojas [3 ]
Yamamoto, Alaina [3 ]
Borkovich, Katherine A. [1 ,2 ]
机构
[1] Univ Calif Riverside, Dept Plant Pathol & Microbiol, Riverside, CA 92521 USA
[2] Univ Calif Riverside, Grad Program Genet Genom & Bioinformat, Riverside, CA 92521 USA
[3] Univ Calif Riverside, Coll Nat & Agr Sci, Riverside, CA 92521 USA
关键词
filamentous fungi; G protein-coupled receptors; functional genomics; signal transduction; Heterotrimeric G proteins; HETEROTRIMERIC G-PROTEINS; MATING-TYPE; STRUCTURAL INSIGHTS; PHENOTYPIC ANALYSIS; MAGNAPORTHE-GRISEA; MEMBRANE-PROTEIN; GENOME SEQUENCE; ALPHA-SUBUNITS; DIFFERENTIATION; YEAST;
D O I
10.1534/g3.115.020974
中图分类号
Q3 [遗传学];
学科分类号
071007 ; 090102 ;
摘要
G protein-coupled receptors (GPCRs) regulate facets of growth, development, and environmental sensing in eukaryotes, including filamentous fungi. The largest predicted GPCR class in these organisms is the Pth11-related, with members similar to a protein required for disease in the plant pathogen Magnaporthe oryzae. However, the Pth11-related class has not been functionally studied in any filamentous fungal species. Here, we analyze phenotypes in available mutants for 36 GPCR genes, including 20 Pth11-related, in the model filamentous fungus Neurospora crassa. We also investigate patterns of gene expression for all 43 predicted GPCR genes in available datasets. A total of 17 mutants (47%) possessed at least one growth or developmental phenotype. We identified 18 mutants (56%) with chemical sensitivity or nutritional phenotypes (11 uniquely), bringing the total number of mutants with at least one defect to 28 (78%), including 15 mutants (75%) in the Pth11-related class. Gene expression trends for GPCR genes correlated with the phenotypes observed for many mutants and also suggested overlapping functions for several groups of co-transcribed genes. Several members of the Pth11-related class have phenotypes and/or are differentially expressed on cellulose, suggesting a possible role for this gene family in plant cell wall sensing or utilization.
引用
收藏
页码:2729 / 2743
页数:15
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