Nontuberculous mycobacteria (NTM) are bacteria (germs) found in soil, dust and water. NTM do not include M. tuberculosis (the cause of tuberculosis) or M. leprae (the cause of Hansen's disease). Anyone can get an NTM infection but people with underlying lung disease or weakened immune systems are at increased risk.

Our work highlights the importance of several interactive climate and soil factors on the environmental prevalence of NTM in natural areas of Hawai’i and suggests that additional targeted work regarding the potential for NTM transport in the human water supply via expansive soils is warranted.

In this study, we performed microbiome and mineralogic studies and applied permuted feature importance approaches to predict soil components associated with NTM. We then tested the ability of these soil components to directly modulate the growth of native NTM isolates from Hawai’i in vitro and used high-powered microscopy to capture the ...

2021年8月1日 · NTM, otherwise referred to as “atypical mycobacteria,” “environmental mycobacteria,” or mycobacterial species other than Mycobacterium tuberculosis and Mycobacterium leprae, are ubiquitous in water and soil environments and include many opportunistic pathogens such as those in the Mycobacterium avium complex (MAC) [46].

Nontuberculous mycobacteria (NTM) are opportunistic human pathogens that are widespread in the human environment. In fact, NTM surround humans. The basis for their widespread presence in soils and natural and human-engineered waters lies primarily ...

Nontuberculous mycobacteria (NTM) include over 150 species. The source for human infection is the environment. NTM are normal inhabitants of soil and drinking water. NTM grow and persist in many buildings. They are not contaminants of drinking water, but members of the natural drinking water microbi …

2021年4月4日 · Soil is another source of exposure to NTM (Brooks et al. 1984; Walsh et al. 2019). NTM are oligotrophic and their hydrophobic membranes cause them to readily attach to particles found in soil (Falkinham III 2013), making them easily aerosolized. Several soil types provide an adequate environment for NTM to flourish (Iivanainen et al. 1997).

2022年5月10日 · High soil-water balance may facilitate underground movement of NTM into the aquifer system, potentially compounded by expansive capabilities allowing crack formation under drought conditions, representing further possible avenues for aquifer infiltration.

2021年11月10日 · The breadth of NTM species diversity in soil is likely driven by the proportion and composition 88 of minerals and nutrients in that particular soil sample. For example, higher amounts of metals 89 such as copper, and cations such as sodium, have been shown to be significant predictors for 90 NTM infection in the U.S. (9).

Recently, the frequency and diversity of NTM in hospital soil and dust of Iraq was analyzed, with 8.8% of the samples being positive and harboring 33 species of mycobacteria (19 rapidly growing and 14 slowly growing species), with M. setense and M. lentiflavum as the most prevalent species .