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Cercospora zeae-maydis

ABSTRACT: Maize foliar pathogen causing grey leaf spot

PROVIDER: PRJNA69803 | ENA |

REPOSITORIES: ENA

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Dataset's files

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			Action	DRS
		Other
	JAAEIV01.dat.gz	Other
	JAAEIV01.fasta.gz	Fasta.gz
	JAAEIV01.master.dat	Other
	SRR058721_1.fastq.gz	Fastqsanger.gz

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Project description:Gray leaf spot (GLS) disease of maize can be caused by either of two sibling fungal species Cercospora zeina or Cercospora zeae-maydis. These species differ in geographical distribution, for example to date only C. zeina is associated with GLS in African countries, such as South Africa. Maize inbred line B73, which is susceptible to GLS, was planted in the field, and subjected to natural infection with C. zeina. Samples were collected from lower leaves with substantial GLS lesions and younger upper leaves of the same plants with very few immature GLS lesions. The first aim of the experiment was to determine which maize genes are induced in response to C. zeina infection. The second aim was to identify C. zeina genes expressed in planta during a compatible interaction. The third aim was to determine whether the C. zeina cercosporin biosynthetic (CTB) genes are expressed in planta. C. zeina fails to produce cercosporin in vitro in contrast to C. zeae-maydis. Cercosporin is a phytotoxin that is thought to play a role in pathogenicity of several Cercospora spp., however its role in the pathogenicity strategy of C. zeina is currently under investigation.

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