Species Publications

Publication details

De novo Transcriptome Sequencing to Dissect Candidate Genes Associated with Pearl Millet-Downy Mildew (Sclerospora graminicola Sacc.) Interaction. (2016) Front Plant Sci 7, 847.
Kulkarni KS, Zala HN, Bosamia TC, Shukla YM, Kumar S, Fougat RS, Patel MS, Narayanan S, Joshi CG
Abstract: Understanding the plant-pathogen interactions is of utmost importance to design strategies for minimizing the economic deficits caused by pathogens in crops. With an aim to identify genes underlying resistance to downy mildew, a major disease responsible for productivity loss in pearl millet, transcriptome analysis was performed in downy mildew resistant and susceptible genotypes upon infection and control on 454 Roche NGS platform. A total of ~685 Mb data was obtained with 1 575 290 raw reads. The raw reads were pre-processed into high-quality (HQ) reads making to ~82% with an average of 427 bases. The assembly was optimized using four assemblers viz. Newbler, MIRA, CLC and Trinity, out of which MIRA with a total of 14.10 Mb and 90118 transcripts proved to be the best for assembling reads. Differential expression analysis depicted 1396 and 936 and 1000 and 1591 transcripts up and down regulated in resistant inoculated/resistant control and susceptible inoculated/susceptible control respectively with a common of 3644 transcripts. The pathways for secondary metabolism, specifically the phenylpropanoid pathway was up-regulated in resistant genotype. Transcripts up-regulated as a part of defense response included classes of R genes, PR proteins, HR induced proteins and plant hormonal signaling transduction proteins. The transcripts for skp1 protein, purothionin, V type proton ATPase were found to have the highest expression in resistant genotype. Ten transcripts, selected on the basis of their involvement in defense mechanism were validated with qRT-PCR and showed positive co-relation with transcriptome data. Transcriptome analysis evoked potentials of hypersensitive response and systemic acquired resistance as possible mechanism operating in defense mechanism in pearl millet against downy mildew infection.

Cenchrus americanus

[ Viridiplantae | Streptophyta | Streptophytina | . . .
. . . | Paniceae | Cenchrinae | Cenchrus ]

Cenchrus_americanus Picture Source
Taxonomy:Eukaryota | Viridiplantae | Streptophyta | Streptophytina | Embryophyta | Tracheophyta | Euphyllophyta | Spermatophyta | Magnoliophyta | Mesangiospermae | Liliopsida | Petrosaviidae | commelinids | Poales | Poaceae | PACMAD clade | Panicoideae | Panicodae | Paniceae | Cenchrinae | Cenchrus
Synonym:Pennisetum typhoideum, Pennisetum typhoides, Pennisetum glaucum, Pennisetum americanum
Common:pearl millet, cattail millet, bulrush millet
Ncbi Go to NCBI Taxonomy (4543)
Eol Encyclopedia of life
Wiki Wikipedia
Dna_compl GenBank - NIH genetic sequence database
Rna_part International TSA Sequencing Consortium International TSA Sequencing Consortium: Cenchrus americanus TSA Sequencing Consortium
Rna_part National Center for Biotechnology Information

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