Vietnam Journal of Biotechnology
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Association study of NR5A1 rs1110061 with infertile male in 401 Vietnamese individuals
Vietnam Journal of Biotechnology - Tập 19 Số 4 - 2021
Male infertility is a reproductive issue involving defects in the quantity and quality of sperm. Besides the exogenous elements such as harmful habits, pollution, genetic factors including disorders in a single gene, group of genes, or chromosomes, are the etiology causing infertility in men. NR5A1 is well-known as a candidate gene involved in male infertility, including 46, XY disorders of sex de......
Effects of blue and red LED lights on rubisco activase gene expression, CO2 fixation efficiency and plant morphology of Gerbera jamesonii
Vietnam Journal of Biotechnology - Tập 20 Số 3 - 2022
Light quality is known to affects numerous plants’ physiological and metabolic processes during development period, including photosynthesis and morphogenesis. Light properties such as light wavelength has been optimized for several cultivated crops. In this study, the effects of LED light wavelengths blue and red on both photosynthetic performance and morphology of Gerbera jamesonii plantlets was......
#CO2 assimilation #Gerbera jamesonii #LED #photo-morphogenesis #RCA
Mining and selecting genes encoding chitinase from DNA metagenome data
Vietnam Journal of Biotechnology - Tập 17 Số 3 - Trang 553-560 - 2019
In this study, genes encoding chitinaseswere obtained by mining the rhizosphere metagenome database of 2-year-old replanted coffee trees in Dak Lak province and annotating using CAZy data. These sequences predictably are covered 90% of chitinase domains by BLASTp and range from 33% to 99% identity in comparison with published sequence data of chitinase genes. In order to find new funtional chitin......
#chitinase #DNA metagenome #E. coli #new gene #recombinant
The first record of Metacordyceps neogunnii (Metacordyceps, Clavicipitaceae) isolated from larva of Lepidoptera in Vietnam: morphological, phylogenetic characterization and chemical constituent analysis
Vietnam Journal of Biotechnology - Tập 20 Số 2 - 2022
An entomopathogenic fungus, specimen DL0091 parasitized on the larvae of Lepidoptera, was collected from Lang Biang Biosphere Reserve, located in Lam Dong Province, Vietnam. The specimen DL0091 has been analyzed to be contained numerous chemical constituents, especially containing adenosine of 634 mg/Kg and cordycepin of 35.2 mg/Kg. Due to containing many bioactive compounds, DL0091 was promised t......
#Molecular phylogeny #morphological identification #entomopathogenic fungi #adenosine #cordycepin
Synergy between recombinant endoglucanase a and exoglucanase s secreted by bacillus subtilis WB800N
Vietnam Journal of Biotechnology - Tập 16 Số 1 - 2018
An approach for dertemining the synergistic activity of cellulosomal catalytic units in culture media is among essential steps in the research of artificial cellulosomes. Endoglucanase A (CelA) and exoglucanase S (CelS) are two abundant cellulosomal cellulases secreted by anaerobic thermophilic bacterium Clostridium thermocellum and mostly responsible for the cellulolytic activities. They are the ......
#Bacillus subtilis WB800N #Clostridium thermocellum #Endoglucase A #CelA #Exoglucanase S #CelS
IMPACT OF AMPK ACTIVATOR METFORMIN ON SPERM QUALITY
Vietnam Journal of Biotechnology - Tập 15 Số 4 - 2017
Semen cryopreservation allows crucial management of animal genetic diversity. However, the freeze-thaw process causes biochemical and physical alterations, impairing sperm energy-dependent functions. Currently, many chemicals are added to the media to enhance frozen-thawed sperm quality during artificial insemination. The aims of this study was to determine the effects of Metformin (Metf) on fresh......
#Acrosome reaction #chicken sperm #sperm motility #AMPK #Metformin
Improved in vitro rooting and acclimatization of “Violetta” Artichoke and “Green Globe” Artichoke
Vietnam Journal of Biotechnology - Tập 19 Số 1 - 2021
Artichoke (Cynara scolymus L.), a medicinal plant with high economic value, contains high levels of phenolic compounds; especially cynarine, which plays an important role in preventing cancer, cardiovascular disease, osteoporosis, diabetes and neurodegeneration, etc. Currently, Artichoke micropropagation has achieved some success; however, the rooting efficiency and plantlet quality are still limi......
#Artichoke #giá thể #ra rễ in vitro #thích nghi vườn ươm #vi nhân giống
Construction of GmNAC085 vector for future development of drought-tolerant crops
Vietnam Journal of Biotechnology - Tập 14 Số 4 - 2016
Various members of NAC transcription factor family have been shown to play important roles in regulating plant responses to abiotic stresses, such as drought, cold and salinity. Our previous research on differential expression patterns of twenty three soybean NAC genes (GmNACs) by realtime quantitative PCR suggested a correlation between inducible expression of GmNAC085 and the drought tolerance d......
#Drought-responsive gene #DT51 #GmNAC085 #MTD720 #recombinant vector
TAXONOMIC IDENTITY OF ARISAEMA CONDAOENSE (ARACEAE) BASED ON NEW MORPHOLOGICAL AND MOLECULAR DATA
Vietnam Journal of Biotechnology - Tập 15 Số 4 - 2017
Arisaema condaoense V.D. Nguyen was described as a new species from Con Dao National Park, Ba Ria–Vung Tau Province, Vietnam in 2000. However, this species has been suspected of being a form of Arisaema roxburghii Kunth, a species widespread in the whole Indochina and Malay Peninsula. This was due to the original description based on dried specimens with male inflorescences only. Morphological cha......
#Araceae #Arisaema condaoense #chloroplast #Fimbriata #matK
Investigation of anti-allergic activity of piceatannol from Rhodomyrtus tomentosa fruits
Vietnam Journal of Biotechnology - Tập 19 Số 1 - 2021
Piceatannol is a naturally occurring polyphenolic stilbene found in various fruits and vegetables. It has been reported to possess various pharmaceutical properties and health benefit effects such as anticancer, antidiabetes, antioxidant, anti-inflammation, and anti-obesity activities. Recently, Rhodomyrtus tomentosa fruits have been determined to contain a large amout of piceatannol. In this stud......
#Allergy #degranulation #mast cells #Rhodomyrtus tomentosa #piceatannol
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