Vietnam Journal of Biotechnology

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Antimicrobial activity of natural compounds from sponge – derived fungus Aspergillus flocculosus 01NT.1.1.5
Vietnam Journal of Biotechnology - Tập 16 Số 4 - 2018
Phan Thi Hoai Trinh
The Aspergillus fungi have been an important source of natural products that are useful for exploration in medicine, agriculture and industry. In our continuous investigation to search for new antimicrobial agents from marine-derived fungi, one new phomaligol A2 (1), together with three known compounds, wasabidienone E (2), aspertetranone D (3) and mactanamide (4), were obtained from the EtOAc ext...... hiện toàn bộ
#Aspergillus flocculosus #antimicrobial activity #aspertetranone D #mactanamide #phomaligol A #wasabidienone E.
Table of Contents
Vietnam Journal of Biotechnology - Tập 19 Số 4 - 2021
Table of Contents
Evaluation of the sperm separability of blanc-blue-belge bull by swim-up method and in vitro embryo production with hybrid Zebu bovine oocyte in Vietnam
Vietnam Journal of Biotechnology - Tập 18 Số 1 - 2020
The objective of this study was to determine the right conditions for the separation of Blanc-Blue-Belge bovine sperm (BBB) by swim-up mothed; determine the maturity of hybrid Zebu bovine eggs; and culture of embryos after in vitro fertilization. After 60-80 minutes of swim-up in CAP-05, BBB bovine sperms were healthy, straight movement and separated with a concentration of 106 sperm/ml. Hybrid Ze...... hiện toàn bộ
#BBB bovine sperm #separation #swim-up #hybrid Zebu bovine oocyte #in vitro fertilization #in vitro culture #in vitro embryo production
Effect of silver nanoparticles on sterilization of different explant sources of Gerbera jamesonii cultured in vitro
Vietnam Journal of Biotechnology - Tập 19 Số 4 - 2021
Hoang Thanh Tung
In this study, silver nanoparticles effects on the sterilization of different sources of explants (young leaves, young flower stalks and young flower buds) of Gerbera as well as on the in vitro morphogenesis and their growth were investigated. The explants were sterilized and cut transversally (1 mm) with the flower stalk, square (0.5 × 0.5 cm) for the leaf sample, longitudinally (0.5 mm) for the ...... hiện toàn bộ
#Cây hoa đồng tiền #nano bạc #khử trùng mẫu cấy #vi nhân giống
Identification of a de novo mutation in KRT5 gene underlying epidermolysis bullosa simplex by whole exome sequencing in a Vietnamese patient
Vietnam Journal of Biotechnology - Tập 19 Số 2 - 2021
Epidermolysis bullosa simplex (EBS) is a group of epidermolysis bullosa (EB) and accounts for 75-85% EB cases. Most EBS patients are caused by mutations in KRT5 or KRT14, encoding for keratin 5 and keratin 14, respectively, which impair the structural entirety of paired intermediate filaments expressed in the fracture of basal keratinocytes and subsequent blistering of the epithelium. This study a...... hiện toàn bộ
#Epidermolysis bullosa simplex #KRT5 #Whole exome sequencing
Association study of NR5A1 rs1110061 with infertile male in 401 Vietnamese individuals
Vietnam Journal of Biotechnology - Tập 19 Số 4 - 2021
Nguyen Thuy Duong, Luong Thi Lan Anh, Nong Van Hai, Bui Minh Duc
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...... hiện toàn bộ
Cá chuyển gen: Hiện trạng và triển vọng
Vietnam Journal of Biotechnology - Tập 20 Số 1 - 2008
Tạp chí Công nghệ Sinh học 3(1): 1-14, 2005
Abnormal symptoms in micropropagation and strategies to overcome
Vietnam Journal of Biotechnology - Tập 18 Số 1 - 2020
Nowaday, plant cell, tissue and organ culture has become a standard and popular propagation method for many crops including ornamental plants, medicinal plants, fruit trees and green vegetables. The advantage of this method is that it can generate a huge number of genetically identical seedlings, effectively control the pathogenicity in order to produce disease-free plants, become a tool for conse...... hiện toàn bộ
#Abscission #browning #contamination #in vitro culture #necrosis explant #vitrification
Isolation and screening producing growth regulator cyanobacteria strains
Vietnam Journal of Biotechnology - Tập 18 Số 3 - 2020
Cyanobacteria are photosynthetic microorganisms that have their biosynthesis capacities for secondary compounds with the high application value. They can produce a variety of bioactive compounds such as lipopeptides, fatty acids, toxins, carotenoids, vitamins and plant growth regulators which could be released into the culture medium. The present study aimed to isolate and screen cyanobacteria str...... hiện toàn bộ
#Cyanobacteria #indole-3-acetic acid (IAA) #isolate #phytohormone #Planktothricoides raciborskii.
Evaluation of some biophysical characteristics of five silicate solubilizing bacteria isolated from different ecosystems
Vietnam Journal of Biotechnology - Tập 17 Số 4 - 2019
Silicate solubilizing bacteria (SSB) are key microorganisms to solubilize silicate minerals in the soil. Silicon helps to increase the growth and yield of plants and to enhance the environmental stress tolerance capability of plants. The aim of this study was to evaluate the effect of several factors like pH, salinity, and temperature on silicate solubilizing capacity of five selected SSB. Moreove...... hiện toàn bộ
#biophysical properties #NaCl #nitrogen fixation #silicate solubilizing bacteria #phosphate solubilization #IAA synthesis
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