GEO DataSets

(Submitter supplied) Rice was domesticated independently in Asia and Africa, leading to two distinct but closely related crop species, Oryza sativa and Oryza glaberrima, respectively. The two domestications lead to morphological changes, in which a higher branching complexity of the panicles, influencing seed production and crop yield. Although much emphasis was placed on changes in transcriptional regulation during rice domestication and improvement, no large-scale study of small RNA regulation changes during domestication has been reported so far. more...

Organism:

Oryza glaberrima; Oryza barthii

Type:

Non-coding RNA profiling by high throughput sequencing

Platforms:

GPL17363 GPL17362

2 Samples

Download data: TXT

(Submitter supplied) Sequencing of sRNA and PARE libraries was performed for tissues collected from developmentally staged young panicles and anthers in rice variety Nongken 58

Organism:

Oryza sativa Japonica Group

Type:

Expression profiling by high throughput sequencing

Platform:

GPL13834

25 Samples

Download data: TXT

(Submitter supplied) Purpose: The goals of this study are to detect the small RNAs generated from the PMS1T gene and the cleavage sites mediated by small RNAs (microRNAs or phasiRNAs). Methods: The rice panicles were collected in liquid nitrogen and their total RNA were extracted for library construction and subsequent sequencing on an Illumina HiSeq 2000. Results: Using an optimized data analysis workflow, we mapped a series of small RNAs generated from the PMS1T region of the rice genome; most of these small RNAs were 21-nt phasiRNAs. more...

Organism:

Oryza sativa Japonica Group

Type:

Non-coding RNA profiling by high throughput sequencing; Expression profiling by high throughput sequencing; Other

Platform:

GPL13834

36 Samples

Download data: TXT

(Submitter supplied) Phased secondary siRNAs (phasiRNAs) are broadly present in the reproductive tissues of flowering plants. Monocots generate 21- and 24-nt phasiRNAs by miR2118 and miR2275 respectively from noncoding RNAs with spatial-temporal specificity during anther development. However, which ARGONAUTES (AGOs) associate with these two miRNAs remains elusive. Here we show that rice AGO1d, specifically expressed in anther wall cells before and during meiosis, associates with both miR2118 and miR2275 to mediate phasiRNA biogenesis. more...

Organism:

Oryza sativa

Type:

Expression profiling by high throughput sequencing; Other; Non-coding RNA profiling by high throughput sequencing

Platform:

GPL27660

90 Samples

Download data: CSV, TXT

(Submitter supplied) The osdcl4-1 mutant exhibits much severer developmental defects than dcl4 in Arabidopsis, suggesting that Os DCL4 may process broader substrates in rice. By deep sequencing of small RNAs from different tissues of wild types and osdcl4-1, we revealed that 21-nucleotide siRNAs were largely dependent on Os DCL4. Besides several tasiRNA loci reported in Arabidopsis and rice, over one thousand 21-nucleotide and several dozen 24-nucleotide phased siRNA (phasiRNA) clusters were identified in panicles but not in seedlings and grains. more...

Organism:

Oryza sativa

Type:

Non-coding RNA profiling by high throughput sequencing

Platform:

GPL9147

6 Samples

Download data: TXT

(Submitter supplied) Dissection of the genetic pathways and mechanisms by which anther development occurs in grasses is crucial for both a basic understanding of plant development and for traits of agronomic importance like male sterility. In rice, MULTIPLE SPOROCYTES1 (MSP1), a leucine-rich-repeat receptor kinase, play an important role in anther development by limiting the number of sporocytes. OsTDL1a (a TPD1-like gene in rice) encodes a small protein which acts as a cofactor of MSP1 in the same regulatory pathway. more...

Organism:

Oryza sativa

Type:

Expression profiling by high throughput sequencing; Non-coding RNA profiling by high throughput sequencing

Platform:

GPL13160

54 Samples

Download data: TXT

(Submitter supplied) We constructed four PARE libraries for the identification of miRNA target genes in Norway spruce.

Organism:

Picea abies

Type:

Non-coding RNA profiling by high throughput sequencing

Platform:

GPL19695

4 Samples

Download data: TXT

(Submitter supplied) Maize anthers, the male reproductive floral organs, express two classes of phased, small interfering RNAs (phasiRNAs). RNA profiling from ten sequential cohorts of staged maize anthers plus mature pollen revealed that 21-nt phased siRNAs (21-phasiRNAs) from 463 loci appear abruptly after germinal and initial somatic cell fate specification and then diminish, while 24-nt phased siRNAs (24-phasiRNAs) from 176 loci coordinately accumulate during meiosis and persist as haploid gametophytes differentiate into pollen. more...

Organism:

Zea mays

Type:

Non-coding RNA profiling by high throughput sequencing

Platform:

GPL15463

31 Samples

Download data: TXT

(Submitter supplied) This SuperSeries is composed of the SubSeries listed below.

Organism:

Zea mays subsp. mays; Zea mays

Type:

Expression profiling by high throughput sequencing; Non-coding RNA profiling by high throughput sequencing

Platforms:

GPL15463 GPL17914

100 Samples

Download data: TXT

(Submitter supplied) Maize anthers, the male reproductive floral organs, express two classes of phased, small interfering RNAs (phasiRNAs). RNA profiling from ten sequential cohorts of staged maize anthers plus mature pollen revealed that 21-nt phased siRNAs (21-phasiRNAs) from 463 loci appear abruptly after germinal and initial somatic cell fate specification and then diminish, while 24-nt phased siRNAs (24-phasiRNAs) from 176 loci coordinately accumulate during meiosis and persist as haploid gametophytes differentiate into pollen. more...

Organism:

Zea mays subsp. mays

Type:

Expression profiling by high throughput sequencing

Platform:

GPL17914

5 Samples

Download data: TXT

(Submitter supplied) Maize anthers, the male reproductive floral organs, express two classes of phased, small interfering RNAs (phasiRNAs). RNA profiling from ten sequential cohorts of staged maize anthers plus mature pollen revealed that 21-nt phased siRNAs (21-phasiRNAs) from 463 loci appear abruptly after germinal and initial somatic cell fate specification and then diminish, while 24-nt phased siRNAs (24-phasiRNAs) from 176 loci coordinately accumulate during meiosis and persist as haploid gametophytes differentiate into pollen. more...

Organism:

Zea mays subsp. mays; Zea mays

Type:

Non-coding RNA profiling by high throughput sequencing

Platforms:

GPL17914 GPL15463

89 Samples

Download data: TXT

(Submitter supplied) Maize anthers, the male reproductive floral organs, express two classes of phased, small interfering RNAs (phasiRNAs). RNA profiling from ten sequential cohorts of staged maize anthers plus mature pollen revealed that 21-nt phased siRNAs (21-phasiRNAs) from 463 loci appear abruptly after germinal and initial somatic cell fate specification and then diminish, while 24-nt phased siRNAs (24-phasiRNAs) from 176 loci coordinately accumulate during meiosis and persist as haploid gametophytes differentiate into pollen. more...

Organism:

Zea mays subsp. mays

Type:

Expression profiling by high throughput sequencing

Platform:

GPL17914

6 Samples

Download data: TXT

(Submitter supplied) Background: Partial pollen and embryo sac sterilities are the two main reasons for low fertility in autotetraploid rice. Our previous study revealed that small RNAs changes may associate with pollen fertility in autotetraploid rice. However, knowledge on comparative analysis between the development of pollen and embryo sac by small RNAs in autotetraploid rice is still unknown. In the present study, WE-CLSM (whole-mount eosin B-staining confocal laser scanning microscopy) and high-throughput sequencing technology was employed to examine the cytological variations and to analyze small RNAs changes during pollen and embryo sac development in autotetraploid rice compared with its diploid counterpart. more...

Organism:

Oryza sativa Japonica Group

Type:

Non-coding RNA profiling by high throughput sequencing

Platform:

GPL18525

16 Samples

Download data: XLSX

(Submitter supplied) Purpose: The aim of this study was to compare transcriptome profiling (RNA-seq) of rice panicle tissue from resistant and suceptible lines at different time intervals infected with M.oryzae. The results were validated using Semi-quantitative PCR. Methods: Panicles from resistant and suceptible rice lines were inoculated with suspension having double distill water, Tween-20 without spores for 0 hour and same suspension with spores was used to inoculate for 48, 72 and 96 hour samples. more...

Organism:

Oryza sativa Indica Group

Type:

Expression profiling by high throughput sequencing

Platform:

GPL14553

16 Samples

Download data: GTF

(Submitter supplied) As a key member of the grass-specific subclade of argonaute proteins, AGO18b protein has been proposed to bind 24-nt meiotic phasiRNAs based on their co-expression in tapetal and meiotic cells. Here we show that expression of in maize tassels is strictly induced by developmental stages. Interestingly, reduced expression of AGO18b in both Mutator-mediated (ago18b::mum) and RNAi mutants leads to an increase in plant height and tassel length, suggesting its non-meiotic function as a negative regulator of SAM/IM maintenance. more...

Organism:

Zea mays

Type:

Non-coding RNA profiling by high throughput sequencing; Expression profiling by high throughput sequencing

Platforms:

GPL15463 GPL20156

18 Samples

Download data: XLSX