Gang Hu

Gang Hu
NewFields

Doctor of Philosophy

About

8
Publications
1,467
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1,170
Citations
Citations since 2017
0 Research Items
364 Citations
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2017201820192020202120222023020406080
2017201820192020202120222023020406080
2017201820192020202120222023020406080

Publications

Publications (8)
Article
Full-text available
Like many other fungal pathogens Metarhizium anisopliae is a facultative saprophyte with both soil-dwelling and insect pathogenic life-stages. In addition, as M. anisopliae traverses the cuticle and enters the hemolymph it must adapt to several different host environments. In this study, we used expressed sequence tags and cDNA microarray analyses...
Article
Full-text available
Metarhizium anisopliae infects a broad range of insects by direct penetration of the host cuticle. To explore the molecular basis of this process, its gene expression responses to diverse insect cuticles were surveyed, using cDNA microarrays constructed from an expressed sequence tag (EST) clone collection of 837 genes. During growth in culture con...
Article
Using a phylogenomic approach with 10 fungi of very different virulence and habitat, we determined that there was substantial diversification of subtilase-type proteases early in ascomycete history (with subsequent loss in many lineages) but with no comparable diversification of trypsins. Patterns of intron loss and the degree of divergence between...
Article
Fungi secrete subtilisin proteinases to acquire nutrients and breach host barriers. Here we sought a global characterization of the diversity of subtilisins in the insect pathogen Metarhizium anisopliae. Expressed sequence tag (EST) analyses showed that a broad host range strain of M. anisopliae sf. anisopliae (strain 2575) expressed 11 subtilisins...
Article
Conidiobolus coronatus (Zygomycota) is a facultative saprobe that is a pathogen of many insect species. Almost 2000 expressed sequence tag (EST) cDNA clones were sequenced to analyse gene expression during growth on insect cuticle. Sixty percent of the ESTs that could be clustered into functional groups (E<or=10(-5)) had their best BLAST hits among...
Article
Full-text available
Expressed sequence tag (EST) libraries for Metarhizium anisopliae, the causative agent of green muscardine disease, were developed from the broad host-range pathogen Metarhizium anisopliae sf. anisopliae and the specific grasshopper pathogen, M. anisopliae sf. acridum. Approximately 1,700 5' end sequences from each subspecies were generated from cD...
Article
Full-text available
In the summer of 2000, we released genetically altered insect-pathogenic fungi onto a plot of cabbages at a field site on the Upper Marlboro Research Station, Md. The transformed derivatives of Metarhizium anisopliae ARSEF 1080, designated GPMa and GMa, carried the Aequorea victoria green fluorescent protein (gfp) gene alone (GMa) or with additiona...
Article
Extracellular chitinase activity has been implicated in the pathogenesis of several fungal infections. Following induction with chitin, the insect pathogens Metarhizium anisopliae sf. acridum ARSEF strain 324 and Metarhizium anisopliae sf. anisopliae ARSEF strain 2575 secrete 44-kDa basic and acidic isoforms of endochitinase, respectively. The gene...

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