Identification of drought-responsive micro RNAs in leaf and stem tissues of oryza sativa by solexa sequencing

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

In this study we profiled the microRNA (miRNA) sequences from three rice varieties: Vandana (droughttolerant), Aday Sel (drought-tolerant) and IR64 (drought-susceptible) in greenhouse conditions. Drought treatment was given to three week old seedlings by withholding watering until leaf rolling was observed while controls were given sufficient water. Among the 21 highly conserved miRNA families in rice, we found that 10 families have at least a common mature miRNA member that is differentially expressed between leaf and stem tissues. Our results also suggest that the predicted target genes in these differentially expressed conserved and non-conserved miRNAs are functionally diverse. A wide range of biological processes are found to be regulated by these target genes between both tissues, namely root development (5.3-5.7%), cell transport (13.2-18.4%), response to stress (10.5-11.3%), lignin catabolic process (3.8-5.3%), metabolic processes (32.1-39.5%), oxidation-reduction process (9.4-13.2%) and DNA replication (5.7-7.9%). Progress is still being made to study the expression profiles of differentially expressed miRNAs in our datasets in order to select the potential miRNA candidates that play major regulatory roles in plant molecular response under drought stress conditions. We hope that the miRNA profiling data will provide new information to better understand the regulation of drought-tolerant genes at the genome level.

Original languageEnglish
Title of host publication2014 UKM FST Postgraduate Colloquium - Proceedings of the Universiti Kebangsaan Malaysia, Faculty of Science and Technology 2014 Postgraduate Colloquium
EditorsZahari Ibrahim, Haja Maideen Kader Maideen, Nazlina Ibrahim, Nurul Huda Abd Karim, Taufik Yusof, Fatimah Abdul Razak, Nurulkamal Maseran, Rozida Mohd Khalid, Noor Baa'yah Ibrahim, Hasidah Mohd. Sidek, Mohd Salmi Md Noorani, Norbert Simon
PublisherAmerican Institute of Physics Inc.
Pages587-590
Number of pages4
ISBN (Electronic)9780735412507
DOIs
Publication statusPublished - 1 Jan 2014
Event2014 Postgraduate Colloquium of the Universiti Kebangsaan Malaysia, Faculty of Science and Technology, UKM FST 2014 - Selangor, Malaysia
Duration: 9 Apr 201411 Apr 2014

Publication series

NameAIP Conference Proceedings
Volume1614
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Other

Other2014 Postgraduate Colloquium of the Universiti Kebangsaan Malaysia, Faculty of Science and Technology, UKM FST 2014
CountryMalaysia
CitySelangor
Period9/4/1411/4/14

Fingerprint

drought
sequencing
stems
genes
leaves
rice
lignin
genome
greenhouses
deoxyribonucleic acid
oxidation
profiles
cells
water

Keywords

  • Differential expression
  • Drought
  • Drought-responsive micrornas
  • Oryza sativa

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Huat, C. B., K. Nadarajah, K., & V Ratnam, R. W. (2014). Identification of drought-responsive micro RNAs in leaf and stem tissues of oryza sativa by solexa sequencing. In Z. Ibrahim, H. M. K. Maideen, N. Ibrahim, N. H. A. Karim, T. Yusof, F. A. Razak, N. Maseran, R. M. Khalid, N. B. Ibrahim, H. M. Sidek, M. S. M. Noorani, ... N. Simon (Eds.), 2014 UKM FST Postgraduate Colloquium - Proceedings of the Universiti Kebangsaan Malaysia, Faculty of Science and Technology 2014 Postgraduate Colloquium (pp. 587-590). (AIP Conference Proceedings; Vol. 1614). American Institute of Physics Inc.. https://doi.org/10.1063/1.4895268

Identification of drought-responsive micro RNAs in leaf and stem tissues of oryza sativa by solexa sequencing. / Huat, Cheah Boon; K. Nadarajah, Kalaivani; V Ratnam, R Wickneswari.

2014 UKM FST Postgraduate Colloquium - Proceedings of the Universiti Kebangsaan Malaysia, Faculty of Science and Technology 2014 Postgraduate Colloquium. ed. / Zahari Ibrahim; Haja Maideen Kader Maideen; Nazlina Ibrahim; Nurul Huda Abd Karim; Taufik Yusof; Fatimah Abdul Razak; Nurulkamal Maseran; Rozida Mohd Khalid; Noor Baa'yah Ibrahim; Hasidah Mohd. Sidek; Mohd Salmi Md Noorani; Norbert Simon. American Institute of Physics Inc., 2014. p. 587-590 (AIP Conference Proceedings; Vol. 1614).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Huat, CB, K. Nadarajah, K & V Ratnam, RW 2014, Identification of drought-responsive micro RNAs in leaf and stem tissues of oryza sativa by solexa sequencing. in Z Ibrahim, HMK Maideen, N Ibrahim, NHA Karim, T Yusof, FA Razak, N Maseran, RM Khalid, NB Ibrahim, HM Sidek, MSM Noorani & N Simon (eds), 2014 UKM FST Postgraduate Colloquium - Proceedings of the Universiti Kebangsaan Malaysia, Faculty of Science and Technology 2014 Postgraduate Colloquium. AIP Conference Proceedings, vol. 1614, American Institute of Physics Inc., pp. 587-590, 2014 Postgraduate Colloquium of the Universiti Kebangsaan Malaysia, Faculty of Science and Technology, UKM FST 2014, Selangor, Malaysia, 9/4/14. https://doi.org/10.1063/1.4895268
Huat CB, K. Nadarajah K, V Ratnam RW. Identification of drought-responsive micro RNAs in leaf and stem tissues of oryza sativa by solexa sequencing. In Ibrahim Z, Maideen HMK, Ibrahim N, Karim NHA, Yusof T, Razak FA, Maseran N, Khalid RM, Ibrahim NB, Sidek HM, Noorani MSM, Simon N, editors, 2014 UKM FST Postgraduate Colloquium - Proceedings of the Universiti Kebangsaan Malaysia, Faculty of Science and Technology 2014 Postgraduate Colloquium. American Institute of Physics Inc. 2014. p. 587-590. (AIP Conference Proceedings). https://doi.org/10.1063/1.4895268
Huat, Cheah Boon ; K. Nadarajah, Kalaivani ; V Ratnam, R Wickneswari. / Identification of drought-responsive micro RNAs in leaf and stem tissues of oryza sativa by solexa sequencing. 2014 UKM FST Postgraduate Colloquium - Proceedings of the Universiti Kebangsaan Malaysia, Faculty of Science and Technology 2014 Postgraduate Colloquium. editor / Zahari Ibrahim ; Haja Maideen Kader Maideen ; Nazlina Ibrahim ; Nurul Huda Abd Karim ; Taufik Yusof ; Fatimah Abdul Razak ; Nurulkamal Maseran ; Rozida Mohd Khalid ; Noor Baa'yah Ibrahim ; Hasidah Mohd. Sidek ; Mohd Salmi Md Noorani ; Norbert Simon. American Institute of Physics Inc., 2014. pp. 587-590 (AIP Conference Proceedings).
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