Browse
Submit Data
Databases
API
Help

Dataset Information

0 Views

0 Connections

0 Citations

0 Reanalyses

0 Downloads

Omics score: 0

Aspergillus parasiticus strain:E1443 | isolate:E1443

ABSTRACT: Aspergillus parasiticus E1443 Genome sequencing and assembly

PROVIDER: PRJNA523233 | ENA |

REPOSITORIES: ENA

ACCESS DATA

Json Xml

Dataset's files

Source:

			Action	DRS
		Other
	SRR12095905_1.fastq.gz	Fastqsanger.gz
	SRR12095905_2.fastq.gz	Fastqsanger.gz

Items per page:

1 - 3 of 3

Similar Datasets

Enhanced diversity and aflatoxigenicity in interspecific hybrids of Aspergillus flavus and Aspergillus parasiticus

Project description:Aspergillus flavus and A. parasiticus are two of the most important aflatoxin-producing species that contaminate agricultural commodities worldwide. Both species are heterothallic and undergo sexual reproduction in laboratory crosses. Here, we examine the possibility of interspecific matings between A. flavus and A. parasiticus. These species can be distinguished morphologically and genetically, as well as by their mycotoxin profiles. Aspergillus flavus produces both B aflatoxins and cyclopiazonic acid (CPA), B aflatoxins or CPA alone, or neither mycotoxin; Aspergillus parasiticus produces B and G aflatoxins or the aflatoxin precursor O-methylsterigmatocystin, but not CPA. Only four out of forty-five attempted interspecific crosses between compatible mating types of A. flavus and A. parasiticus were fertile and produced viable ascospores. Single ascospore strains from each cross were isolated and were shown to be recombinant hybrids using multilocus genotyping and array comparative genome hybridization. Conidia of parents and their hybrid progeny were haploid and predominantly monokaryons and dikaryons based on flow cytometry. Multilocus phylogenetic inference showed that experimental hybrid progeny were grouped with naturally occurring A. flavus L strain and A. parasiticus. Higher total aflatoxin concentrations in some F1 progeny strains compared to midpoint parent aflatoxin levels indicate synergism in aflatoxin production; moreover, three progeny strains synthesized G aflatoxins that were not produced by the parents, and there was evidence of putative allopolyploidization in one strain. These results suggest that hybridization is an important diversifying force resulting in the genesis of novel toxin profiles in these agriculturally important species.

2015-10-01 | GSE61981 | GEO

Aspergillus parasiticus

Project description:Aspergillus parasiticus Genome sequencing and assembly

| PRJNA994305 | ENA

Aspergillus parasiticus strain:E1337 | isolate:E1337

Project description:Aspergillus parasiticus E1337 Genome sequencing and assembly

| PRJNA522796 | ENA

Aspergillus parasiticus strain:E1348 | isolate:E1348

Project description:Aspergillus parasiticus E1348 Genome sequencing and assembly

| PRJNA523169 | ENA

Aspergillus parasiticus strain:E1319 | isolate:E1319

Project description:Aspergillus parasiticus E1319 Genome sequencing and assembly

| PRJNA522792 | ENA

Aspergillus parasiticus strain:E1365 | isolate:E1365

Project description:Aspergillus parasiticus E1365 Genome sequencing and assembly

| PRJNA523173 | ENA

Aspergillus parasiticus isolate:MRI410

Project description:Aspergillus parasiticus isolate:MRI410 Genome sequencing and assembly

| PRJNA835319 | ENA

Trp Amino acid supplementation of Aspergillus flavus NRRL 3357 and Aspergillus parasiticus SRRC 143

Project description:Aflatoxins are toxic and carcinogenic secondary metabolites produced by the fungi Aspergillus flavus and A. parasiticus. In order to better understand the molecular mechanisms that regulate aflatoxin production, the biosynthesis of the toxin in A. flavus and A. parasticus grown in yeast extract sucrose media supplemented with 50 mM tryptophan (Trp) were examined. A. flavus grown in the presence of 50 mM tryptophan was found to have significantly reduced aflatoxin B1 and B2 biosynthesis, while A. parasiticus cultures had significantly increased B1 and G1 biosynthesis. Microarray analysis of RNA extracted from fungi grown under these conditions revealed seventy seven genes that are expressed significantly different between A. flavus and A. parasiticus, including the aflatoxin biosynthetic genes aflD (nor-1), aflE (norA), and aflO (omtB). It is clear that the regulatory mechanisms of aflatoxin biosynthesis in response to Trp in A. flavus and A. parasiticus are different. These candidate genes may serve as regulatory factors of aflatoxin biosynthesis. Keywords: Aflatoxin, Aspergillus, flavus, Amnio Acids, Tryptophan

2007-06-07 | GSE6182 | GEO

Aspergillus parasiticus

Project description:Aspergillus parasiticus overview

| PRJNA85553 | ENA

Aspergillus parasiticus strain:MM36

Project description:Aspergillus parasiticus strain:MM36 Genome sequencing and assembly

| PRJNA1023488 | ENA