Abstract
Oncidium, a kind of orchid plants characterized with unique flower, is one of the four tropical orchids with high ornamental value and favored by consumers. However, our understanding about the molecular basis of its flower development is still limited. Here, we collected Oncidium tissues at different developmental stages for RNA-seq. A total of more than 621 million clean reads were generated. 134,640 unigenes were assembled, and 54,221 unigenes were annotated. The number of DEGs (differentially expressed genes) was the largest in the comparison group F2-vs-F3 (F2 stage compared with F3 stage in flowers). The GO (Gene Ontology) terms and KEGG (Kyoto Encyclopedia of Genes and Genomes) pathways enriched for the specific DEGs were diverse at different stages. The common pathways enriched in multiple comparisons were also obtained. 11 key genes were obtained in cutin, suberin and wax biosynthesis pathway. Moreover, 32 candidate genes related to flower development were screened. Most of them presented tissue-specific expressions, especially MADS-box genes described by the ABCDE model. In all, the present data provides a valuable resource for dissecting the molecular mechanism of Oncidium in regulating flower development.
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Claims 8
Claim · model-written summary
Oncidium transcriptome result: clean reads more than 621 million.
OncidiumOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A total of more than 621 million clean reads were generated.”
t0“Oncidium”
Claim · model-written summary
Oncidium transcriptome result: unigenes were assembled 134,640.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“134,640 unigenes were assembled, and 54,221 unigenes were annotated.”
t0“Oncidium”
Claim · model-written summary
Oncidium transcriptome result: unigenes were annotated 54,221.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“134,640 unigenes were assembled, and 54,221 unigenes were annotated.”
t0“Oncidium”
Claim · model-written summary
Oncidium transcriptome result: key genes 11.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“11 key genes were obtained in cutin, suberin and wax biosynthesis pathway.”
t0“Oncidium”
Claim · model-written summary
Oncidium transcriptome result: candidate genes related to flower development 32.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Moreover, 32 candidate genes related to flower development were screened.”
t0“Oncidium”
Claim · model-written summary
The F2 versus F3 flower comparison had the most DEGs.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The number of DEGs (differentially expressed genes) was the largest in the comparison group F2-vs-F3 (F2 stage compared with F3 stage in flowers).”
t0“Oncidium”
Claim · model-written summary
Most candidate flower development genes had tissue-specific expression, especially MADS-box genes.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Most of them presented tissue-specific expressions, especially MADS-box genes described by the ABCDE model.”
t0“Oncidium”
Claim · model-written summary
Enriched GO terms and KEGG pathways differed across developmental stages.
- Organ / stage
- different stagese0
- Outcome
- GO (Gene Ontology) terms and KEGG (Kyoto Encyclopedia of Genes and Genomes) pathwayse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The GO (Gene Ontology) terms and KEGG (Kyoto Encyclopedia of Genes and Genomes) pathways enriched for the specific DEGs were diverse at different stages.”
t0“Oncidium”