Results 71 to 80 of about 6,710 (240)

Thermostability and Protein Studies of Newcastle Disease Virus [PDF]

open access: yes, 1995
The heat stability of four strains of Newcastle disease virus (NDV) belonging to three different pathotypes were studied. The strains were the lentogenic V4 and its heat stable variant V4-UPM, the mesogenic S strain and the velogenic strain AF2240 ...
Hassan, Zuridah
core  

Soil‐borne legacy facilitates the dissemination of antibiotic resistance genes in soil–plant continua

open access: yesiMeta, Volume 4, Issue 6, December 2025.
Antimicrobial resistance (AMR) disseminates throughout the soil–plant continuum via complex microbial interactions. Plants shape root‐ and leaf‐associated microbiomes that sustain plant health; however, soil‐borne legacies—enriched with antibiotic‐producing microbes and resistance genes—govern AMR dynamics across agroecosystems.
Zufei Xiao   +11 more
wiley   +1 more source

Gene clusters for β-lactam antibiotics and control of their expression: why have clusters evolved, and from where did they originate? [PDF]

open access: yes, 2010
While β-lactam compounds were discovered in filamentous fungi, actinomycetes and gram-negative bacteria are also known to produce different types of β-lactams. All β-lactam compounds contain a four-membered β-lactam ring.
Juan F. Martín, Paloma Liras
core   +5 more sources

Increment in protease activity of Lysobacter enzymogenes strain by ultra violet radiation

open access: yesIranian Journal of Microbiology, 2020
Background and Objectives: Increasing the amount of protease from microbial sources is in the focus of attention. Random mutagenesis by physical methods like ultraviolet (UV) radiation is a cost effective and convenient procedure for strain improvement ...
Reyhaneh Jafari Kalahroudi   +6 more
doaj   +1 more source

Mining Actinomycetes' Metabolomes and Genomes for Anti‐Phytophthora infestans Compounds

open access: yesMicrobial Biotechnology, Volume 18, Issue 12, December 2025.
Using a comparative metabolomic and genomic approach on 63 actinomycetes, this study identified 75 compounds associated with the strains' ability to inhibit the late blight‐causing agent Phytophthora infestans. This study highlighted the promise of applying multi‐omics techniques on closely related strains differing in biological activity to pinpoint ...
Ola Abdelrahman   +6 more
wiley   +1 more source

Maize-soybean intercropping facilitates chemical and microbial transformations of phosphorus fractions in a calcareous soil

open access: yesFrontiers in Microbiology, 2022
Intercropping often substantially increases phosphorus (P) availability to plants compared with monocropping, which could be an effective strategy for soil legacy P recovery and agricultural production.
Jin Liu   +7 more
doaj   +1 more source

Host Diet Preference Drives Diversity and Composition of Gut Microbiota in Captive Birds

open access: yesEcology and Evolution, Volume 15, Issue 11, November 2025.
We have quantified gut microbiota composition of 36 bird species representing 15 orders to analyse determinants of diversity and variability patterns among host species. We found that host phylogeny only had limited influence on GM diversity and composition.
Jan Kubovčiak, Jakub Kreisinger
wiley   +1 more source

Improvement of subsoil physicochemical and microbial properties by short-term fallow practices [PDF]

open access: yesPeerJ, 2019
Fallow management can improve the soil nutrients in the topsoil and upper subsoil. However, little is known about the effects of short-term (one year) fallowing with different treatments, such as vegetation and fertilization, on subsoil (20–40 cm ...
Guangyu Li   +3 more
doaj   +2 more sources

Cultivation of hitherto-uncultured bacteria belonging to the Verrucomicrobia subdivision 1 from the potato (Solanum tuberosum L.) rhizosphere [PDF]

open access: yes
The role of dominant bacterial groups in the plant rhizosphere, e.g., those belonging to the phyla Acidobacteria and Verrucomicrobia, has, so far, not been elucidated, and this is mainly due to the lack of culturable representatives.
Andreote, F.D.   +4 more
core   +2 more sources

Lysobacter Chinensis sp. nov., a Cellulose-degrading Strain Isolated From Cow Dung Compost [PDF]

open access: green, 2022
Yuyue Liu   +5 more
openalex   +1 more source

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