Dataset Information

Identification of transcription factors of nitrate reductase gene promoters and NRE2 cis-element through yeast one-hybrid screening in Nicotiana tabacum.

ABSTRACT: BACKGROUND:This study aimed to identify the transcription factors of nitrate reductase genes (NIA1 and NIA2) promoters and hypothetical cis-element of NRE2. Based on the constructed cDNA library of Nicotiana tabacum K326, a yeast one-hybrid system was established using the Matchmaker® Gold Yeast One-Hybrid Library Screening System from Clontech. The transcription factors of NIA1 andNIA2 promoters and NRE2 cis-elements were screened. RESULTS:After sequencing and bioinformatics analysis, 15 cDNA sequences were identified: 9 for NIA1 (including XP_016503563.1 and NP_001312236.1), 3 for NIA2 (including XP_016510250.1), and 3 for NRE2 (including XM_016576899.1). XP_016503563.1 was annotated in PREDICTED: CRM-domain containing factor CFM3, and NP_001312236.1chloroplastic/mitochondrial-like in Nicotiana tabacum. NP_001312236.1 was annotated in Sulfite oxidase-like of Nicotiana tabacum. XP_016510250.1 was annotated as PREDICTED: uncharacterized protein LOC107827596 in Nicotiana tabacum. XM_016576899.1 was annotated in PREDICTED: Nicotiana tabacum RING-H2 finger protein ATL16-like (LOC107759033). CONCLUSION:A yeast one-hybrid library was successfully constructed. The identified transcription factors may provide a theoretical basis for the study of plant nitrate reductase.

SUBMITTER: Yang H

PROVIDER: S-EPMC6469061 | biostudies-literature | 2019 Apr

REPOSITORIES: biostudies-literature

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Identification of transcription factors of nitrate reductase gene promoters and NRE2 cis-element through yeast one-hybrid screening in Nicotiana tabacum.

Yang Huijuan H Zhou Yan Y Zhang Yuning Y Wang Jing J Shi Hongzhi H

BMC plant biology 20190416 1

<h4>Background</h4>This study aimed to identify the transcription factors of nitrate reductase genes (NIA1 and NIA2) promoters and hypothetical cis-element of NRE2. Based on the constructed cDNA library of Nicotiana tabacum K326, a yeast one-hybrid system was established using the Matchmaker® Gold Yeast One-Hybrid Library Screening System from Clontech. The transcription factors of NIA1 andNIA2 promoters and NRE2 cis-elements were screened.<h4>Results</h4>After sequencing and bioinformatics anal ...[more]

PMID: 30991965

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Project description:Pollen, an extremely reduced bicellular or tricellular male reproductive structure of flowering plants, serves as a model for numerous studies covering wide range of developmental and physiological processes. The pollen development represents a fragile and vital phase of plant ontogenesis and pollen was among the first singular plant tissues thoroughly characterized at the transcriptomic level (Honys and Twell [5]). Arabidopsis pollen developmental transcriptome has been published over a decade ago (Honys and Twell, 2004) and transcriptomes of developing pollen of other species have followed (Rice, Deveshwar et al. [2]; Triticeae, Tran et al. [11]; upland cotton, Ma et al. [8]). However, the transcriptomic data describing the development of tobacco pollen, a bicellular model for cell biology studies, have been missing. Here we provide the transcriptomic data covering three stages (Tupý et al., 1983) of wild type tobacco (Nicotiana tabacum, cv. Samsun) pollen development: uninucleate microspores (UNM, stage 1), early bicellular pollen (eBCP, stage 3) and late bicellular pollen (lBCP, stage 5) as a supplement to the mature pollen (MP), 4 h-pollen tube (PT4), 24 h-pollen tubes (PT24), leaf (LF) and root (RT) transcriptomic data presented in our previous studies (Hafidh et al., 2012a; Hafidh et al., 2012b). We characterized these transcriptomes to refine the knowledge base of male gametophyte-enriched genes as well as genes expressed preferentially at the individual stages of pollen development. Alongside updating the list of tissue-specific genes, we have investigated differentially expressed genes with respect to early expressed genes. Pollen tube growth and competition of pollen tubes in female pistil can be viewed as a race of the fittest. Accordingly, there is an apparent evolutionary trend among higher plants to store significant material reserves and nutrients during pollen maturation. This supply ensures that after pollen germination, the pollen tube utilizes its resource predominantly for its rapid elongation in the female pistil. Previous transcriptomic data from Arabidopsis showed massive expression of genes encoding proteins forming both ribosomal subunits that were accumulated in developing pollen, whereas their expression was not detectable in growing pollen tubes (Honys and Twell, 2004). We observed a similar phenomenon in less advanced bicellular tobacco pollen. Here, we describe in detail how we obtained and analyzed validated microarray dataset deposited in Gene Expression Omnibus (GSE62349).

Dataset Information

Identification of transcription factors of nitrate reductase gene promoters and NRE2 cis-element through yeast one-hybrid screening in Nicotiana tabacum.

Publications

Identification of transcription factors of nitrate reductase gene promoters and NRE2 cis-element through yeast one-hybrid screening in Nicotiana tabacum.

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