Buried Alive: Microbes from Ancient Halite

Jaakkola, Salla; Ravantti, Janne J.; Oksanen, Hanna M.; Bamford, Dennis H.

doi:10.1016/j.tim.2015.12.002

Cited by 59 publications

(30 citation statements)

References 83 publications

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“…Microorganisms have been isolated from extreme environments ranging from the drought conditions in the Atacama Desert (Jaakkola et al 2016), sea-ice brine and high salinity (Liu et al 2016), and hot springs (Geesey et al 2016). These microorganisms have unique strategies for survival (Shivlata et al 2015).…”

Section: Methodsmentioning

confidence: 99%

New simple trichal cyanobacterial taxa isolated from radioactive thermal springs

Heidari¹,

Zima²,

Riahi³

et al. 2018

Fottea

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There are several places in the world where the level of natural radiation is unusually high, such as some regions of Ramsar and Abegarm-e-Mahallat in Iran. Such places are still insufficiently explored in terms of their biodiversity. In this study, strains isolated from six geothermal springs with elevated natural radiation were investigated. The highest concentration of 226 Ra were 13,000 Bq.kg-1 in the soil and 130 Bq.l-1 in water respectively. The morphological and molecular analyses revealed, that the strains are not classifiable to any existing taxon. Therefore, they are described as new taxa for science. Based on results of our study, two earlier described species are transferred into newly established genus.

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Section: Methodsmentioning

confidence: 99%

New simple trichal cyanobacterial taxa isolated from radioactive thermal springs

Heidari¹,

Zima²,

Riahi³

et al. 2018

Fottea

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“…Common bacteria recovered from hypersaline habitats have been assigned to the phyla Actinobacteria (Streptomyces), Bacteriodetes (Flavobacteria), Cyanobacteria, Firmacutes (Bacilli and Clostridia) and Proteobacteria (a and c-proteobacteria) (Enache et al 2017). Archaea and bacteria are also common in ancient halite (Jaakkola et al 2016).…”

Section: )mentioning

confidence: 99%

Extreme environments: microbiology leading to specialized metabolites

et al. 2019

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Summary The prevalence of multidrug‐resistant microbial pathogens due to the continued misuse and overuse of antibiotics in agriculture and medicine is raising the prospect of a return to the preantibiotic days of medicine at the time of diminishing numbers of drug leads. The good news is that an increased understanding of the nature and extent of microbial diversity in natural habitats coupled with the application of new technologies in microbiology and chemistry is opening up new strategies in the search for new specialized products with therapeutic properties. This review explores the premise that harsh environmental conditions in extreme biomes, notably in deserts, permafrost soils and deep‐sea sediments select for micro‐organisms, especially actinobacteria, cyanobacteria and fungi, with the potential to synthesize new druggable molecules. There is evidence over the past decade that micro‐organisms adapted to life in extreme habitats are a rich source of new specialized metabolites. Extreme habitats by their very nature tend to be fragile hence there is a need to conserve those known to be hot‐spots of novel gifted micro‐organisms needed to drive drug discovery campaigns and innovative biotechnology. This review also provides an overview of microbial‐derived molecules and their biological activities focusing on the period from 2010 until 2018, over this time 186 novel structures were isolated from 129 representatives of microbial taxa recovered from extreme habitats.

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“…i -Saturation observed in halite deposits (Jaakkola et al, 2016). j -Does not include polar region deserts.…”

Section: Future Directions and Outlookmentioning

confidence: 99%

Living at the Extremes: Extremophiles and the Limits of Life in a Planetary Context

Merino¹,

Aronson²,

Bojanova³

et al. 2019

Preprint

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Prokaryotic life has dominated most of the evolutionary history of our planet, evolving tooccupy virtually all available environmental niches. Extremophiles, especially those thrivingunder multiple extremes, represent a key area of research for multiple disciplines, spanningfrom the study of adaptations to harsh conditions, to the biogeochemical cycling of elements.Extremophile research also has implications for origin of life studies and the search for life onother planetary and celestial bodies. In this article, we will review the current state ofknowledge for the biospace in which life operates on Earth and will discuss it in a planetarycontext, highlighting knowledge gaps and areas of opportunity.

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Buried Alive: Microbes from Ancient Halite

Cited by 59 publications

References 83 publications

New simple trichal cyanobacterial taxa isolated from radioactive thermal springs

New simple trichal cyanobacterial taxa isolated from radioactive thermal springs

Extreme environments: microbiology leading to specialized metabolites

Living at the Extremes: Extremophiles and the Limits of Life in a Planetary Context

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