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All Journal HAYATI Journal of Biosciences Journal of Tropical Life Science : International Journal of Theoretical, Experimental, and Applied Life Sciences Journal of Tropical Biodiversity and Biotechnology
Chu, Ha Duc
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Environmental Science Immunology & microbiology

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Bioinformatics study of GATA family in Amaranthus hypochondriacus: Identification, Characterization, and Expression Profiles: Investigation of the GATA family in grain amaranth at the genome-wide scale Vu, Xuan Duong; Le, Man Thi; Le, Quynh Thi Ngoc; Chu, Ha Duc; La, Hong Viet; Huy Gioi, Dong; Tran, Huyen Thi Thanh; Cao, Phi Bang
Journal of Tropical Life Science Vol. 15 No. 1 (2025)
Publisher : Journal of Tropical Life Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/

Abstract

GATA transcription factors (TFs) play critical roles in regulating various physiological and biochemical processes in plants. However, their functions in grain amaranth (Amaranthus hypochondriacus) remain unexplored. This study identified and characterized 23 GATA TFs (AhGATAs) in grain amaranth through genome-wide bioinformatics analysis. The gene structure, gene duplication, phylogenetic analysis, and protein features were performed. As a result, the AhGATA TF family in grain amaranth exhibited diverse gene structures, including variations in exon-intron organization, with the number of exons ranging from one to eleven. We also found that the AhGATA TF family in grain amaranth could be grouped into four different clades as similar to other higher plant species. Next, the recent RNA-Seq dataset was explored to re-analyze the transcriptional changes of the AhGATA genes in several main organs during the growth and development of grain amaranth plants. We proposed four AhGATA genes, including AhGATA01, 05, 13, and 19, which were exclusively expressed in at least one major organ, such as stems, roots, leaves, maturing seeds, flowers, immature seeds, and green cotyledons. In summary, this current study could provide the basis for further exploration of the GATA gene family functions in plants and enhance our understanding of cellular regulation in plant defense mechanisms.
Genomic Characterization and Transcriptomic Profiling of Phospholipase A Superfamily in Cocoa (Theobroma cacao): Genome-wide analysis of the phospholipase A genes in cocoa Nguyen, Quy Phuong; Vu, Xuan Duong; Chu, Ngoc Thi Bich; Tran, Lan Thi Mai; Chu, Ha Duc; La, Hong Viet; Dong, Huy Gioi; Tran, Huyen Thi Thanh; Cao, Phi Bang
Journal of Tropical Life Science Vol. 15 No. 2 (2025): In Press
Publisher : Journal of Tropical Life Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/res8c250

Abstract

This study investigates the phospholipase A (PLA) superfamily in cocoa (Theobroma cacao), providing a comprehensive analysis of its genomic organization, structural diversity, and functional roles. A total of 19 PLA1 and 20 PLA2 genes were identified, with detailed assessments of their chromosomal locations, protein properties, and exon-intron structures. Phylogenetic analysis established evolutionary relationships with PLA proteins from other species, such as Arabidopsis thaliana and rice (Oryza sativa). Of our interest, transcriptomic profiling under biotic stress caused by Phytophthora megakarya infection and during embryo development revealed distinct expression patterns, demonstrating the involvement of PLA genes in stress responses and key developmental processes. Taken together, these findings provide valuable insights into the roles of PLA genes in cacao biology and offer a foundation for future applications to improve cacao’s resilience and productivity through genetic and biotechnological strategies.
Comprehensive Analysis of the Aldehyde Dehydrogenase Gene Superfamily in Cassava (Manihot esculenta): Genome-Wide Identification and Transcriptional Insights: Genome-wide analysis of the ALDH genes in cassava Tran, Vinh Thanh; Le, Man Thi; Nguyen, Anh Thi Ngoc; Dong, Huy Gioi; Le, Quynh Thi Ngoc; Cao, Phi Bang; Chu, Ha Duc
Journal of Tropical Life Science Vol. 15 No. 2 (2025): In Press
Publisher : Journal of Tropical Life Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/qc82wn93

Abstract

Aldehyde dehydrogenases (ALDHs) are a vital enzyme superfamily involved in cellular detoxification, metabolism, and stress responses in plants. Despite their known roles in various species, a comprehensive genome-wide analysis of the ALDH gene superfamily in cassava (Manihot esculenta), a key drought-tolerant crop, remains limited. This study systematically identified and characterized 29 ALDHs in the cassava genome, classifying them into distinct families based on sequence similarity and phylogenetic relationships. Structural and physicochemical analysis revealed notable variations in gene length, exon-intron organization, and protein properties, indicating functional diversity within the family. Of our interest, expression profiling across 11 different organs/tissues showed that several ALDHs exhibit tissue-specific expression patterns, suggesting their potential roles in diverse physiological processes. Moreover, transcriptomic analysis under drought stress conditions revealed significant changes in ALDH gene expression, with specific members being strongly up-regulated and down-regulated, implying their involvement in drought tolerance mechanisms. The findings provide new insights into the potential roles of ALDHs in cassava's ability to mitigate oxidative stress and enhance drought resilience. This study serves as a foundation for further functional characterization of ALDHs and offers valuable genetic resources for breeding programs aimed at improving cassava’s adaptation to environmental stresses. Understanding these genetic mechanisms will contribute to developing stress-resistant cultivars, ensuring sustainable cassava production in drought-prone regions.
Genome-Scale Screening, Characterization, and Expression Analysis of Grain Amaranth Small Auxin-Up RNA Gene Family in Response to Drought Stress Vu, Xuan Duong; Azar, Sahar; Chu, Ha Duc; Le, Quynh Thi Ngoc; Nguyen, Quy Phuong; Nguyen, Thanh Xuan; Nguyen, Dinh Van
HAYATI Journal of Biosciences Vol. 33 No. 2 (2026): March 2026
Publisher : Bogor Agricultural University, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.4308/hjb.33.2.518-528

Abstract

The Small Auxin-Up RNA (SAUR) gene family represents a class of early auxin-responsive genes that are widely involved in regulating plant cell elongation, tissue differentiation, and environmental adaptation. In this study, we performed a genome-wide analysis of the SAUR gene family in grain amaranth (Amaranthus hypochondriacus), a nutrient-rich pseudocereal. A total of 80 SAUR genes were identified based on the conserved PF02519 domain and were systematically characterized in terms of protein properties, gene structure, and phylogenetic relationships. Most SAUR genes in grain amaranth encode small, basic, and hydrophilic proteins, and gene structure analysis revealed that the majority are intronless. Phylogenetic analysis grouped AhSAURs into ten clades alongside Arabidopsis SAURs. Transcriptomic profiling across seven tissues and drought-treated samples showed that although many SAUR genes had low or no expression, several genes, including AhSAUR76, AhSAUR71, AhSAUR65, AhSAUR54, and AhSAUR73, were highly expressed in a tissue-preferential manner and showed responsiveness to drought. These findings highlight the potential regulatory roles of selected SAUR genes in growth and stress adaptation, offering a valuable resource for future genetic and functional studies aimed at enhancing agronomic traits in grain amaranth.
Co-Authors Azar, Sahar Cao, Phi Bang Chu, Ngoc Thi Bich Chu, Thi Bich Ngoc Dong, Gioi Huy Dong, Huy Gioi Ha, Quyen Thi Huy Gioi, Dong La, Hong Viet Le, Chi Toan Le, Man Thi Le, Quynh Thi Ngoc Le, Thi Man Le, Thi Ngoc Quynh Luong, Hang Thi Nguyen, Anh Thi Ngoc Nguyen, Dinh Van Nguyen, Huong Thi Thanh Nguyen, Quy Phuong Nguyen, Thanh Xuan Nguyen, Trung Quoc Pham, Chau Thuy Pham, Minh Hong Phung, Huynh Huy Thi Thanh Tran, Huyen Tran, Huyen Thi Thanh Tran, Lan Thi Mai Tran, Thi Thanh Huyen Tran, Van Tien Tran, Vinh Thanh Tran, Yen Thi Hai Vu, Quyen Thi Xuan Vu, Xuan Duong