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Zea mays cultivar:B73-NIL

ABSTRACT: Transcriptome data of anthers of maize male sterile mutants

PROVIDER: PRJNA600105 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR10855044_1.fastq.gz	Fastqsanger.gz
	SRR10855044_2.fastq.gz	Fastqsanger.gz
	SRR10855045_1.fastq.gz	Fastqsanger.gz
	SRR10855045_2.fastq.gz	Fastqsanger.gz
	SRR10855046_1.fastq.gz	Fastqsanger.gz

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Zea mays cultivar:B73-NIL

Project description:Transcriptome data of meiotic anthers of maize

| PRJNA600104 | ENA

Transcriptome profiling of maize anthers using genetic ablation to analyze pre-meiotic and tapetal cell types

Project description:Agilent oligonucleotide arrays were used to profile gene expression in dissected maize anthers of 3 types of male-sterile plants and their fertile siblings at four stages of development: after anther initiation, at the rapid mitotic proliferation stage, pre-meiosis, and meiotic prophase I. The male-sterile mutants (ms23, msca, and mac1) lack a range of normal cell types resulting from a temporal progression of anther failure. By combining the data sets from the comparisons between individual sterile and fertile anthers, candidate genes predicted to play important roles during maize anther development were assigned to stages and to likely cell types. Keywords: anther development, maize, male sterility

2008-09-16 | GSE12756 | GEO

Transcriptome profiling of maize anthers using genetic ablation to analyze pre-meiotic and tapetal cell types

2008-09-16 | E-GEOD-12756 | biostudies-arrayexpress

Zea mays

Project description:Characterization of small RNAs and genes in maize anthers (ms23 sterile)

| PRJNA356172 | ENA

bHLH cascade regulate 24-nt phasiRNA biogenesis in maize anther

Project description:Anthers are the male reproductive floral organs, but loss of the 24-nt class of phased small-interfering RNAs (phasiRNAs) may confer temperature-sensitive male sterility in maize. 24-nt phasiRNAs from 176 loci are abundant coordinately in fertile maize anthers after the last periclinal divisions are complete, all four wall layers are formed, and meiosis has initiated in the pollen mother cells. In this study, we found male sterile maize ms23, ms32, and bhlh122 mutants with various degrees of tapetal defects lack 24-PHAS mRNA precursors and 24-nt phasiRNAs, which were not affected in another male sterile mutant, bhlh51. Transcription from most of 24-PHAS loci depends on bHLH122 while bHLH122 and Dcl5 transcription depends on both Ms23 and Ms32. Multiple lines of evidence suggest that 24-nt phasiRNAs biogenesis is primarily controlled at multiple layers by MS23 and MS32, with distinctive action on 24-PHAS transcription by bHLH122, creating a transcription factor cascade in maize tapetal cells.

2022-01-10 | GSE175915 | GEO

Transcriptome analysis of male sterile maize mutants defective in somatic cell layer identities (tcl1, mtm00-06 and ms*6015) compared with fertile siblings

Project description:In order to better understand defects at the molecular level in male sterile maize mutants, we characterized 3 different mutants by microarray hybridization. Anthers were dissected and staged to be 1000 μm in length (+/- 100 μm), allowing us to analyze changes in transcriptome between siblings relatively close to the initial observation of morphological defects. All three of the mutants had morphological defects in the somatic layers of the anther, but only tcl1 and mtm00-06 male steriles show serial extra periclinal divisions compared to relatively minor defects in ms*6015 male steriles.

2016-07-01 | GSE78259 | GEO

Transcriptome analysis of male sterile maize mutants defective in somatic cell layer identities (tcl1, mtm00-06 and ms*6015) compared with fertile siblings

Project description:In order to better understand defects at the molecular level in male sterile maize mutants, we characterized 3 different mutants by microarray hybridization. Anthers were dissected and staged to be 1000 Î¼m in length (+/- 100 Î¼m), allowing us to analyze changes in transcriptome between siblings relatively close to the initial observation of morphological defects. All three of the mutants had morphological defects in the somatic layers of the anther, but only tcl1 and mtm00-06 male steriles show serial extra periclinal divisions compared to relatively minor defects in ms*6015 male steriles. For each mutant four biological replicates were used for both male sterile samples and fertile siblings with direct comparisons made between fertile and sterile siblings of the same mutant background.

2016-07-01 | E-GEOD-78259 | biostudies-arrayexpress

Expression data from Zea mays developmental series.

Project description:Through hierarchical clustering of transcript abundance data across a diverse set of tissues and developmental stages in maize, we have identified a number of coexpression modules which describe the transcriptional circuits of maize development.

2013-03-01 | GSE44743 | GEO

Global transcriptome analysis of two ameiotic1 alleles in maize anthers: defining steps in meiotic entry and progression through prophase

Project description:This study compared the transcriptomes of maize anthers at both 1mm and 1.5mm lengths from male sterile mutants with either the am1-489 or am1-pra alleles as well as from fertile siblings of the mutant plants. Comparisons were done varying just the stage (1mm vs 1.5 mm), just the allele (am1-pra vs am1-489 at the same stage), and wild-type vs mutant (same stage and allele). Genes were categorized as On (expressed) or Off (not detected) and if both channels produced an intensity, the differential expression was determined. AM1 seems to be involved in establishing or stabilizing meiotic chromosomes and it had a profound impact on gene expression in the pollen mother cells during the maturation phase from 1.0 to 1.5 mm anther length. The two alleles shared some transcript changes but am1-489 showed a more dramatic loss (>3400) at 1.5mm than am1-pra. Most differentially expressed transcripts were allele-specific. KEYWORDS: male sterility, maize, microarray, meiosis Compared wild-type and male-sterile anthers from 2 ameiotic1 alleles at 2 stages of anther growth (1mm and 1.5mm)

2011-07-14 | E-GEOD-30149 | biostudies-arrayexpress

RNA-seq samples of ten tissues for Zea mays subsp. mays B73 (version 5)

Project description:These RNA-seq samples represent ten different tissue types for the fifth version of the maize reference genome B73, sequenced by the NAM Consortium Group. These samples correspond to project ID PRJEB32225.

2020-01-09 | E-MTAB-8628 | biostudies-arrayexpress

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