Results 21 to 30 of about 1,032 (144)

A two-photon fluorescence micro-spectroscopy method for chemotaxonomic characterization of fossil resins. [PDF]

Appl Plant Sci
Abstract Premise Amber, a fossilized chemical defensive exudate, is important for understanding ancient plant–insect/pathogen interactions, yet its botanical origins, especially for Cretaceous amber, remain enigmatic. Here, we develop and apply a fluorescence micro‐spectroscopy approach within the context of a larger study on the provenance of amber ...
McCoy VE, Stoneman MR, Bober KMM, Delclòs X, Peñalver E, Gee CT, Raicu V.   +6 more
europepmc   +2 more sources

VapC proteins from Mycobacterium tuberculosis share ribonuclease sequence specificity but differ in regulation and toxicity. [PDF]

PLoS ONE, 2018
The chromosome of Mycobacterium tuberculosis (Mtb) contains a large number of Type II toxin-antitoxin (TA) systems. The majority of these belong to the VapBC TA family, characterised by the VapC protein consisting of a PIN domain with four conserved ...
Abigail Sharrock, Alaine Ruthe, Emma S V Andrews, Vickery A Arcus, Joanna L Hicks   +4 more
doaj   +1 more source

Analysis of non-typeable Haemophilous influenzae VapC1 mutations reveals structural features required for toxicity and flexibility in the active site. [PDF]

PLoS ONE, 2014
Bacteria have evolved mechanisms that allow them to survive in the face of a variety of stresses including nutrient deprivation, antibiotic challenge and engulfment by predator cells.
Brooke Hamilton, Alexander Manzella, Karyn Schmidt, Victoria DiMarco, J Scott Butler   +4 more
doaj   +1 more source

Apoptosis like symptoms associated with abortive infection of Mycobacterium smegmatis by mycobacteriophage D29.

PLoS ONE, 2022
Mycobacteriophages are phages that infect mycobacteria resulting in their killing. Although lysis is the primary mechanism by which mycobacteriophages cause cell death, others such as abortive infection may also be involved.
Fatema Calcuttawala, Rahul Shaw, Arpita Sarbajna, Moumita Dutta, Saptarshi Sinha, Sujoy K Das Gupta   +5 more
doaj   +1 more source

Co‐localization of clinically relevant antibiotic‐ and heavy metal resistance genes on plasmids in Klebsiella pneumoniae from marine bivalves

MicrobiologyOpen, Volume 12, Issue 4, August 2023., 2023
Klebsiella pneumoniae is an opportunistic pathogen frequently associated with antibiotic resistance and present in a wide range of environments. In this study, five antibiotic‐resistant K. pneumoniae isolates recovered from bivalves, of which four also carried heavy metal resistance genes, were selected for complete genome sequencing.
Fredrik Håkonsholm, Marit A. K. Hetland, Iren H. Löhr, Bjørn Tore Lunestad, Nachiket P. Marathe   +4 more
wiley   +1 more source

Commonality of Virulence‐Promoting Function in Rhodococcus equi Virulence Associated Proteins (Vaps)

Cellular Microbiology, Volume 2023, Issue 1, 2023., 2023
Rhodococcus equi is a Gram‐positive facultative intracellular pathogen associated with life‐threatening bronchopneumonial disease in foals. Key to R. equi’s intracellular survival in host macrophages is the production of virulence associated proteins (Vaps).
Timothy R. Ganderton, Daniel Ghete, Karen Hogg, Graeme J. Park, Christoph G. Baumann, Anthony J. Wilkinson, Paul R. Pryor, Sadaruddin Chachar   +7 more
wiley   +1 more source

The endogenous Coxiella burnetii plasmid encodes a functional toxin–antitoxin system

Molecular Microbiology, Volume 118, Issue 6, Page 744-764, December 2022., 2022
Coxiella burnetii is an obligate intracellular bacterium and causative agent of Q fever. Here we report that the C. burnetii genome encodes 11 toxin–antitoxin systems, which is highly unusual for intracellular bacteria, and that one TA system is encoded on the large endogenous plasmid found in almost all C. burnetii isolates.
Shaun Wachter, Diane C. Cockrell, Heather E. Miller, Kimmo Virtaneva, Kishore Kanakabandi, Benjamin Darwitz, Robert A. Heinzen, Paul A. Beare   +7 more
wiley   +1 more source

Transmission of Klebsiella strains and plasmids within and between grey‐headed flying fox colonies

Environmental Microbiology, Volume 24, Issue 9, Page 4425-4436, September 2022., 2022
Summary The grey‐headed flying fox (Pteropus poliocephalus) is an endemic Australian fruit bat, known to carry zoonotic pathogens. We recently showed they harbour bacterial pathogen Klebsiella pneumoniae and closely related species in the K. pneumoniae species complex (KpSC); however, the dynamics of KpSC transmission and gene flow within flying fox ...
Ben Vezina, Louise M. Judd, Fiona K. McDougall, Wayne S. J. Boardman, Michelle L. Power, Jane Hawkey, Sylvain Brisse, Jonathan M. Monk, Kathryn E. Holt, Kelly L. Wyres   +9 more
wiley   +1 more source

Empirical Analysis of Influence of Furniture Manufacturing Servitization on Industry Performance Based on Big Data

Scientific Programming, Volume 2022, Issue 1, 2022., 2022
In the era of big data, the furniture manufacturing industry takes digitization and intelligence as its core, and its servitization degree is constantly improving. In this paper, based on input‐output table data from major manufacturing countries throughout the world in the period 2000–2014, this study empirically analyzes the impact of servitization ...
Linshu Song, Hao Wang, Weiming Song, Chao Yang, Sheng Bin   +4 more
wiley   +1 more source

Genomic Characteristics and Functional Analysis of Brucella sp. Strain WY7 Isolated from Antarctic Krill

Microorganisms, 2023
Antarctic krill (Euphausia superba) is a key species of the Antarctic ecosystem whose unique ecological status and great development potential have attracted extensive attention.
Zhengqi Feng, Yuanyuan Wang, Lingbo Ma, Shanzi Huang, Lumin Wang, Jianguo He, Changjun Guo   +6 more
doaj   +1 more source