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Beauveria bassiana

ABSTRACT: Transcriptomic analysis of two 14-3-3 proteins Bmh1 and Bmh2 under osmotic and oxidative stresses in the entomopathogen fungus Beauveria bassiana by using RNA sequencing

PROVIDER: PRJNA253184 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR1427291_1.fastq.gz	Fastqsanger.gz
	SRR1427291_2.fastq.gz	Fastqsanger.gz
	SRR1427292_1.fastq.gz	Fastqsanger.gz
	SRR1427292_2.fastq.gz	Fastqsanger.gz
	SRR1427293_1.fastq.gz	Fastqsanger.gz

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Transcriptomic analysis of LaeA and LaeB deletion strains in fungus Beauveria bassiana

Project description:Transcriptomic analysis of LaeA-deletion and overexpression LaeB in LaeA deletion strains in fungus Beauveria bassiana Examination of differential gene expressions by Beauveria bassiana wild type, LaeA-deletion and overexpression LaeB in LaeA deletion strains in fungus Beauveria bassiana

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Transcriptomic analysis of LaeA and LaeB deletion strains in fungus Beauveria bassiana

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Genome sequencing and transcriptional profiling of the insect biocontrol fungus Beauveria bassiana

Project description:Insect pathogenic fungus Beauveria bassiana in one of the best studied insect biocontrol fungus, which infects insects by cuticle penetration. After breaking the cuticles, the fungus will propagate in insect hemocoel and kill insect hosts. It has also been found that the mycelia of B. bassiana can penetrate plant tissues to reach insect inside plant, e.g. corn borer (Ostrinia furnacalis), but do not cause damage to plants. The mechanism of fungal physiological plasticity is poorly understood. To accompany our genome sequencing work of B. bassiana strain ARSEF 2860, fungal transcriptional responses to different niches were studied using an Illumina RNA_seq technique. To examine fungal response to insect cuticle, conidia were inoculated on locust hind wings for 24 hours before used for RNA extraction. To evaluate fungal adaptation to insect hemocole, the fifth instar larvae of cotton bollworms were injected with spore suspension and fungal cells isolated by centrifugation in a step gradient buffer. To unveil the mechanism of interaction with plants, the fungus was grown in corn root exudates for 24 hours. After RNA sequencing, around three million tags were acquired for each sample and fungal transcriptional profiles were compared. Unveiling gene differential expression patterns when the insect biocontrol fungus Beauveria bassiana grown in insect hemocoel, corn root exudates and on insect cuticles.

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Grapevine response to Beauveria bassiana treatment

Project description:Fungal entomopathogens like Beauveria bassiana (Bals.) Vuill. (Ascomycota: Hypocreales) are known as antagonist of insects with multiple functional and ecological roles and have attracted increased attention as biocontrol agents in integrated pest management programs. A microarray analysis was performed to work out fundamental aspects of genes involved in the interaction between grapevine and the endophytic fungus B. bassiana. The results indicate an up-regulation of diverse defense-related genes in grapevine as a response to a treatment with B. bassiana

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Project description:The ascomycete fungus Beauveria bassiana is a pathogen of hundreds of insect species and is commercially produced as an environmentally friendly mycoinsecticide. Genome-wide insight into the infection of the fungi is critical for genetic improvement of fungal insecticides but has been poorly explored. We constructed three transcriptomes of Beauveria bassiana at 24, 48 and 72 hours post treatment of infection (BbI) and of control (Bbc).

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Transcriptomic of Beauveria bassiana during in vitro blastospore production

Project description:Culturing the entomopathogenic fungus Beauveria bassiana under high glucose concentrations coupled with high aeration results in a fungal developmental shift from hyphae growth to mostly blastospores (yeast-like cells). The underlying molecular mechanisms involved in this shift remains elusive. Therefore, this has motivated us to realize a systematic analysis of the differential gene expression to uncover the fungal transcriptomic response to osmotic and oxidative stresses associated with the resulting high blastospores yield. Differential gene expression was compared under moderate glucose concentration (10% w/v) and high glucose concentration (20% w/v) daily for the three-day culturing. The RNAseq-based transcriptomic results underpinned a higher proportion of down- than up-regulated genes when the fungus was grown under 20% glucose than at 10%. A follow-up study explored a broader glucose range (4, 8, 12, 16, 20% w/v) with phenotype assessment and qRT-PCR of selected genes. Antioxidant, calcium transport, conidiation, and osmosensor related genes were highly up-regulated in higher glucose titers (18-20%) than at lower titers. These findings improved the knowledge of the molecular mechanisms during blastospore development and may help the large scale blastospores industrial production.

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Bbssk1 dependent gene expression in Beauveria bassiana

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