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Permafrost can imprison dangerous microbes for centuries. Will the Arctic thaw release them?
Related articles Heat and disease will exact a heavy toll as climate warms BY Tim Appenzeller Changing bird migrations threaten to bring new infectious diseases to humans BY Jon Cohen Malaria cases could ebb in an even hotter world. But other diseases will get worse BY Kai Kupferschmidt This story, part of a special issue of ...
Source: Science of Aging Knowledge Environment - September 27, 2023 Category: Geriatrics Source Type: research

Amorphous amEu-NH 2 BDC and amTb-NH 2 BDC as ratio fluorescence probes for smartphone-integrated naked eye detection of bacillus anthracis biomarker
Talanta. 2023 Sep 14;267:125164. doi: 10.1016/j.talanta.2023.125164. Online ahead of print.ABSTRACTThe abnormal concentration of anthrax spore biomarker 2,6-pyridinedicarboxylic acid (2,6-DPA) will seriously affect public health. Therefore, a sensitive and rapid assay for 2,6-DPA monitoring is of vital importance. In this work, novel nano-sized amorphous Eu-NH2BDC (amEu-NH2BDC) and amorphous Tb-NH2BDC (amTb-NH2BDC) metal organic frameworks are prepared by adjusting the ratio of metal and ligand, respectively. Both of them exhibit highly sensitive and selective ratiometric fluorescence detection for 2,6-DPA with wider linea...
Source: Talanta - September 21, 2023 Category: Chemistry Authors: Jiaqi Dang Min Li Wenhui Fang Ying Wu Shixian Xin Yutao Cao Hong Zhao Source Type: research

Molecules, Vol. 28, Pages 6557: The Detection of Anthrax Biomarker DPA by Ratiometric Fluorescence Probe of Carbon Quantum Dots and Europium Hybrid Material Based on Poly(ionic)- Liquid
u Ying Li Bacillus anthracis has gained international attention as a deadly bacterium and a potentially deadly biological warfare agent. Dipicolinic acid (DPA) is the main component of the protective layer of anthracis spores, and is also an anthrax biomarker. Therefore, it is of great significance to explore an efficient and sensitive DPA detection method. Herein, a novel ratio hybrid probe (CQDs-PIL-Eu3+) was prepared by a simple one-step hydrothermal method using carbon quantum dots (CQDs) as an internal reference fluorescence and a covalent bond between CQDs and Eu3+ by using a polyionic liquid (PIL) as a bridge ...
Source: Molecules - September 11, 2023 Category: Chemistry Authors: Dongliang Zhang Dongsheng Jia Zhou Fang Hua Min Xiaoyi Xu Ying Li Tags: Article Source Type: research

Spatial and phylogenetic patterns reveal hidden infection sources of Bacillus anthracis in an anthrax outbreak in son La province, Vietnam
Infect Genet Evol. 2023 Sep 5:105496. doi: 10.1016/j.meegid.2023.105496. Online ahead of print.ABSTRACTBacillus anthracis, the bacterial cause of anthrax, is a zoonosis affecting livestock and wildlife often spilling over into humans. In Vietnam, anthrax has been nationally reportable since 2015 with cases occurring annually, mostly in the northern provinces. In April 2022, an outbreak was reported in Son La province following the butchering of a water buffalo, Bubalus bubalis. A total of 137 humans from three villages were likely exposed to contaminated meat from the animal. Early epidemiological investigations suggested ...
Source: Infection, Genetics and Evolution - September 7, 2023 Category: Genetics & Stem Cells Authors: Morgan C Metrailer Thi Thu Ha Hoang Treenate Jiranantasak Tan Luong Luong Minh Hoa Do Bich Ngoc Quang Thai Pham Van Khang Pham Tran Thi Mai Hung Vu Thi Lan Huong Thanh Long Pham Jose Miguel Ponciano Gabriela Hamerlinck Duc Anh Dang Michael H Norris Jason Source Type: research

Spatial and phylogenetic patterns reveal hidden infection sources of Bacillus anthracis in an anthrax outbreak in Son La province, Vietnam
Infect Genet Evol. 2023 Sep 7;114:105496. doi: 10.1016/j.meegid.2023.105496. Online ahead of print.ABSTRACTBacillus anthracis, the bacterial cause of anthrax, is a zoonosis affecting livestock and wildlife often spilling over into humans. In Vietnam, anthrax has been nationally reportable since 2015 with cases occurring annually, mostly in the northern provinces. In April 2022, an outbreak was reported in Son La province following the butchering of a water buffalo, Bubalus bubalis. A total of 137 humans from three villages were likely exposed to contaminated meat from the animal. Early epidemiological investigations sugges...
Source: Infection, Genetics and Evolution - September 7, 2023 Category: Genetics & Stem Cells Authors: Morgan C Metrailer Thi Thu Ha Hoang Treenate Jiranantasak Tan Luong Luong Minh Hoa Do Bich Ngoc Quang Thai Pham Van Khang Pham Tran Thi Mai Hung Vu Thi Lan Huong Thanh Long Pham Jos é Miguel Ponciano Gabriela Hamerlinck Duc Anh Dang Michael H Norris Jaso Source Type: research

Anthrax toxins-producing Bacillus spp. isolated from handwashing stations during COVID-19 pandemic in Lagos, Nigeria
Conclusions: The two anthrax toxin genes were amplified in theBacillus spp isolated from rinsates and bowl water used in hand washing in the two study LGAs. Given that these virulence genes have a global consequence and are a potential threat to life, this study calls for an extensive surveillance, and reassessment of gene regulators and plasmid distribution among these strains in our environment. (Source: The Journal of Infection in Developing Countries)
Source: The Journal of Infection in Developing Countries - August 30, 2023 Category: Infectious Diseases Authors: Tajudeen A Bamidele, Bamidele T Odumosu, Princess T Adenola, James Ameh, Olaide K Kareem, Babatunde Osoba, Oliver C Ezechi, Babatunde L Salako Source Type: research

JMM Profile: Bacillus anthracis 
J Med Microbiol. 2023 Aug;72(8). doi: 10.1099/jmm.0.001747.NO ABSTRACTPMID:37602808 | DOI:10.1099/jmm.0.001747 (Source: Journal of Medical Microbiology)
Source: Journal of Medical Microbiology - August 21, 2023 Category: Microbiology Authors: Andrew Wales Adrienne Mackintosh Source Type: research