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Plant Sci. 2014 Oct;227:90-100. doi: 10.1016/j.plantsci.2014.07.005. Epub 2014 Jul 28.

HnRNP-like proteins as post-transcriptional regulators.

Author information

1
Department of Cell and Molecular Biology, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia; Sime Darby Technology Centre Sdn. Bhd., 1st Floor, Block B, UPM-MTDC Technology Centre III, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia.
2
Department of Cell and Molecular Biology, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia.
3
Department of Cell and Molecular Biology, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia; Institute of Tropical Agriculture, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia. Electronic address: clho@upm.edu.my.

Abstract

Plant cells contain a diverse repertoire of RNA-binding proteins (RBPs) that coordinate a network of post-transcriptional regulation. RBPs govern diverse developmental processes by modulating the gene expression of specific transcripts. Recent gene annotation and RNA sequencing clearly showed that heterogeneous nuclear ribonucleoprotein (hnRNP)-like proteins which form a family of RBPs, are also expressed in higher plants and serve specific plant functions. In addition to their involvement in post-transcriptional regulation from mRNA capping to translation, they are also involved in telomere regulation, gene silencing and regulation in chloroplast. Here, we review the involvement of plant hnRNP-like proteins in post-transcription regulation of RNA processes and their functional roles in control of plant developmental processes especially plant-specific functions including flowering, chloroplastic-specific mRNA regulation, long-distance phloem transportation and plant responses to environmental stresses.

KEYWORDS:

Post-transcriptional regulation; RNA-binding proteins; hnRNP-like proteins; mRNA

PMID:
25219311
DOI:
10.1016/j.plantsci.2014.07.005
[Indexed for MEDLINE]

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