Effect of feeding strategy on l-tryptophan production by recombinant Escherichia coliAnnals of Microbiology - Tập 62 - Trang 1625-1634 - 2012
Li-Kun Cheng, Jian Wang, Qing-Yang Xu, Xi-Xian Xie, Yu-Jie Zhang, Chun-Guang Zhao, Ning Chen
Acetic acid is a primary inhibitory metabolite in Escherichia coli cultivation, and is detrimental to bacterial growth and formation of desired products. The effects of acetic acid on l-tryptophan production by recombinant E. coli were evaluated in this study. Results indicated that growth of an l-tryptophan-producing bacterium and l-tryptophan formation were inhibited significantly by acetic acid...... hiện toàn bộ
Promotion of plant growth, biological control and induced systemic resistance in maize by Pseudomonas aurantiaca JD37Annals of Microbiology - Tập 63 - Trang 1177-1185 - 2012
Rui Fang, Jia Lin, Shanshan Yao, Yujing Wang, Jing Wang, Chenhao Zhou, Huijie Wang, Ming Xiao
Some Pseudomonas aurantiaca strains have been found to facilitate plant growth. A P. aurantiaca JD37 strain isolated from a suburb of Shanghai, China, was found to effectively colonize the rhizosphere soil and internal roots of maize (Zea mays L.) and promote maize growth. Agar diffusion assays and biocontrol effect experiments showed that strain JD37 had significant antagonistic activity against ...... hiện toàn bộ
High diversity of genetic lineages and virulence genes of Staphylococcus aureus isolated from dairy products in TunisiaAnnals of Microbiology - Tập 69 - Trang 73-78 - 2018
Haythem Gharsa, Sarra Chairat, Mejda Chaouachi, Houssem Ben Yahia, Abdellatif Boudabous, Karim Ben Slama
Staphylococcus aureus can produce staphylococcal enterotoxins (SEs) in foods and cause staphylococcal food poisoning. Milk and dairy products are foodstuffs among the most frequently associated with staphylococcal food poisoning. It is also relevant to consider that the transmission of S. aureus is possible either by direct contact with animals or through contaminated food as milk or cheese. The a...... hiện toàn bộ
Production and GC-MS trace analysis of methyl eugenol from endophytic isolate ofAlternaria from roseAnnals of Microbiology - Tập 58 - Trang 443-445 - 2008
Sanjana Kaul, Masood Wani, Kanyaha Lal Dhar, Manoj K. Dhar
A total of fifty-four endophytic fungi were isolated from living symptomless leaves, stem and petals ofRosa damascaena Mill. (Rose). Rose is commercially exploited for the essential oil which is used in flavour and fragrances. Methyl eugenol [1,2-dimethoxy 4-(2-propenyl) benzene] constitutes about 1.9% composition of the rose oil and also acts as a precursor for the synthesis of methyl DOPA an imp...... hiện toàn bộ
Effects of microbial organic fertilizers on Astragalus membranaceus growth and rhizosphere microbial communityAnnals of Microbiology - Tập 71 - Trang 1-15 - 2021
Jian-Ping Liang, Zhi-Quan Xue, Zhen-Yu Yang, Zhi Chai, Jing-Ping Niu, Zhi-Yong Shi
The application of excessive chemical fertilizers during the cultivation of Astragalus membranaceus leads to a decline in the quality of this medicinal plant as well as the soil’s sustainable productivity. In this study, we developed a special microbial organic fertilizer for A. membranaceus and investigated its effects on plant growth and rhizosphere microbial communities. The root biomass and ma...... hiện toàn bộ
Radio-protective and antioxidative activities of astaxanthin from newly isolated radio-resistant bacterium Deinococcus sp. strain WMA-LM9Annals of Microbiology - Tập 67 - Trang 443-455 - 2017
Wasim Sajjad, Manzoor Ahmad, Salman Khan, Sunniya Ilyas, Fariha Hasan, Cem Celik, Kerry McPhail, Aamer Ali Shah
A radio-resistant bacterium, designated as strain WMA-LM9, was isolated from desert soil. 16S rRNA gene sequencing indicated that the bacterium belongs to genus Deinococcus with maximum similarity to Deinococcus radiopugnans. Deinococcus sp. strain WMA-LM9 was found to be resistant to a ultraviolet (UV) dose of 5 × 103 J/m2, hydrogen peroxide (50 mM) and mitomycin C (10 μg/ml). A carotenoid pigmen...... hiện toàn bộ