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Thaumatin-Like Protein (TLP) Gene Family in Barley: Genome-Wide Exploration and Expression Analysis during Germination

Plant Science Department, McGill University, 21111 Lakeshore Rd., Quebec, QC H9X3V9, Canada
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Author to whom correspondence should be addressed.
Current address: Department of Biological Sciences, University of Manitoba, Winnipeg, MB R3T2N2, Canada.
Genes 2020, 11(9), 1080; https://doi.org/10.3390/genes11091080
Received: 18 June 2020 / Revised: 17 August 2020 / Accepted: 9 September 2020 / Published: 16 September 2020
(This article belongs to the Section Plant Genetics and Genomics)
Thaumatin-like Proteins (TLPs) are known to play a vital role in plant defense, developmental processes and seed germination. We identified 19 TLP genes from the reference genome of barley and 37, 28 and 35 TLP genes from rice, Brachypodium and sorghum genomes, respectively. Comparative phylogenetic analysis classified the TLP family into nine groups. Localized gene duplications with diverse exon/intron structures contributed to the expansion of the TLP gene family in cereals. Most of the barley TLPs were localized on chromosome 5H. The spatiotemporal expression pattern of HvTLP genes indicated their predominant expression in the embryo, developing grains, root and shoot tissues. Differential expression of HvTLP14, HvTLP17 and HvTLP18 in the malting variety (Morex) over 16–96 h of grain germination revealed their possible role in malting. This study provides a description of the TLP gene family in barley and their possible involvement in seed germination and the malting process. View Full-Text
Keywords: barley; cereals; thaumatin like-proteins; phylogenetics; expression analysis barley; cereals; thaumatin like-proteins; phylogenetics; expression analysis
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MDPI and ACS Style

Iqbal, I.; Tripathi, R.K.; Wilkins, O.; Singh, J. Thaumatin-Like Protein (TLP) Gene Family in Barley: Genome-Wide Exploration and Expression Analysis during Germination. Genes 2020, 11, 1080. https://doi.org/10.3390/genes11091080

AMA Style

Iqbal I, Tripathi RK, Wilkins O, Singh J. Thaumatin-Like Protein (TLP) Gene Family in Barley: Genome-Wide Exploration and Expression Analysis during Germination. Genes. 2020; 11(9):1080. https://doi.org/10.3390/genes11091080

Chicago/Turabian Style

Iqbal, Irfan; Tripathi, Rajiv K.; Wilkins, Olivia; Singh, Jaswinder. 2020. "Thaumatin-Like Protein (TLP) Gene Family in Barley: Genome-Wide Exploration and Expression Analysis during Germination" Genes 11, no. 9: 1080. https://doi.org/10.3390/genes11091080

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