Ontology highlight
ABSTRACT:
PROVIDER: PRJNA984176 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| Other | ||||
| SRR24927884_1.fastq.gz | Fastqsanger.gz |
Items per page: 5 1 - 2 of 2 |
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Project description:Genomic basis of the sexual and diallelic self-incompatibility systems in Phillyrea angustifolia
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Project description:The cultivated almond exhibits self-incompatibility of the gametophytic type regulated by the S-locus, and expressed in pistil (S-RNase) and in pollen (SFB protein). The aim of this study is to clarify the transcription pattern of these 2 S-genes and to identify additional components of the gametophytic self-incompatibility system in almond. With this aim, A2-198 (self compatible) and ITAP-1 (self incompatible) almond selections were used: RNA-seq of pistils of these two accessions both un-pollinated and pollinated with A2-198 pollen were carried out.
2019-06-01 | E-MTAB-6164 | biostudies-arrayexpress
Project description:Compared to what is known in model species, reproductive biology in citrus is still poorly understood. Although in recent years several efforts have been made to study pollen-pistil interaction and self-incompatibility, little information is available about the molecular mechanisms regulating these processes. We performed microarray analysis for the identification of candidate genes involved in pollen-pistil interaction and self-incompatibility in clementine (Citrus clementina Hort. ex Tan.). The analysis was performed comparing the transcriptome of laser-microdissected stylar canal cells isolated from two clementine genotypes differing for self-incompatibility response (‘Comune’, self-incompatible; and ‘Monreal’, a self compatible mutation of ‘Comune’).
2012-02-15 | GSE33014 | GEO
Project description:Compared to what is known in model species, reproductive biology in citrus is still poorly understood. Although in recent years several efforts have been made to study pollen-pistil interaction and self-incompatibility, little information is available about the molecular mechanisms regulating these processes. We performed microarray analysis for the identification of candidate genes involved in pollen-pistil interaction and self-incompatibility in clementine (Citrus clementina Hort. ex Tan.). The analysis was performed comparing the transcriptome of laser-microdissected stylar canal cells isolated from two clementine genotypes differing for self-incompatibility response (‘Comune’, self-incompatible; and ‘Monreal’, a self compatible mutation of ‘Comune’). Styles with stigmas, collected 24 hours after self pollination, were immediately snap-frozen in OCT embedding medium (Sakura Finetek, Zoeterwoude, Netherlands) in Peel-A-Way plastic embedding molds (Polysciences, Polysciences, Warrington, PA, USA). Transversal sections 10 µm thick at the upper part of the style were cut with a Leica CM1900 cryostat (Leica Microsystems, Germany) at -20°C. A Leica AS Laser Microdissection system (Leica Microsystems) was used for the isolation of stylar canals from transversal sections. Canals from the stigma were discarded to avoid contamination with pollen or pollen tubes. Three biological replicates were prepared for each genotype. Each biological replicate consisted of bulks of about 200 microdissected areas (composed of an average of 50 cells) coming from two different molds
2012-02-15 | E-GEOD-33014 | biostudies-arrayexpress
Project description:Late-Acting Self-Incompatibility in Asimina triloba
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Project description:<p>The section <em>Oleifera</em> (Theaceae) has attracted attention for the high levels of unsaturated fatty acids found in its seeds. Here, we report the chromosome-scale genome of the sect. <em>Oleifera</em> using diploid wild <em>Camellia lanceoleosa</em> with a final size of 3.00 Gb and an N50 scaffold size of 186.43 Mb. Repetitive sequences accounted for 80.63% and were distributed unevenly across the genome. <em>Camellia lanceoleosa</em> underwent a whole-genome duplication event approximately 65 million years ago (65 Mya), prior to the divergence of <em>C</em>. <em>lanceoleosa</em> and <em>Camellia sinensis</em> (approx. 6-7 Mya). Syntenic comparisons of these two species elucidated the genomic rearrangement, appearing to be driven in part by the activity of transposable elements. The expanded and positively selected genes in <em>C</em>. <em>lanceoleosa</em> were significantly enriched in oil biosynthesis, and the expansion of homomeric <em>acetyl-coenzyme A carboxylase</em> (<em>ACCase</em>) genes and the seed-biased expression of genes encoding heteromeric ACCase, diacylglycerol acyltransferase, glyceraldehyde-3-phosphate dehydrogenase and stearoyl-ACP desaturase could be of primary importance for the high oil and oleic acid content found in <em>C. lanceoleosa</em>. Theanine and catechins were present in the leaves of <em>C</em>. <em>lanceoleosa</em>. However, caffeine can not be dectected in the leaves but was abundant in the seeds and roots. The functional and transcriptional divergence of genes encoding SAM-dependent <em>N</em>-methyltransferases may be associated with caffeine accumulation and distribution. Gene expression profiles, structural composition and chromosomal location suggest that the late-acting self-incompatibility of <em>C. lanceoleosa</em> is likely to have favoured a novel mechanism co-occurring with gametophytic self-incompatibility. This study provides valuable resources for quantitative and qualitative improvements and genome assembly of polyploid plants in sect. <em>Oleifera</em>.</p>
2022-07-14 | MTBLS3769 | MetaboLights