Antarctic lichens as a source of phosphate-solubilizing bacteria

Silva, Averlane Vieira da; Oliveira, Adeildo Junior de; Tanabe, Ithallo Sathio Bessoni; Silva, José Vieira; Barros, Tiago Wallace da Silva; Silva, Mayanne Karla da; França, Paulo Henrique Barcellos; Leite, Jakson; Putzke, Jair; Montone, Rosalinda Carmela; Oliveira, Valéria Maia de; Rosa, Luiz Henrique; Duarte, Alysson Wagner Fernandes

doi:10.1007/s00792-021-01220-5

Cited by 8 publications

(4 citation statements)

References 43 publications

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“…As proposed recently by da Silva et al [34], the solubilization of minerals by saxicolous, lichen-associated bacteria might be related to the nutrient acquisition of the lichen ecosystem (and their associated lichensphere) from oligotrophic substrates. Incidentally, Pseudomonas was also the most predominant genera among the isolates able to solubilize phosphate at low temperatures, retrieved by the same authors from Antarctic lichens.…”

Section: Discussionmentioning

confidence: 64%

Biological Deterioration of an Inca Monument at High Altitude in the Andean Range: A Case Study from Ingapirca’s Temple of the Sun (Ecuador)

et al. 2022

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Scientific studies concerning the causes and consequences of the biodeterioration of stone monuments located at high altitudes in permanently cold, mountainous regions are scarce. For that reason, this study aimed to detect and identify the bacteria involved in the deterioration of this type of monument. To achieve this goal, we focused on the most important archeological Inca site in the Ecuadorian Andes: Ingapirca’s Temple of the Sun, built approximately 500 years ago at 3.100 m.a.s.l. We first examined the stone surfaces of the temple by scanning electron microscopy and showed the detrimental impact on the mineral structure of the green andesite mineral used to build the temple, caused by crustose lichen thalli and heterotrophic bacteria. Then, we isolated, characterized, and identified several of these bacteria. Most of them multiplied at a wide range of temperatures, from 4 °C to 30 °C, and were thus considered eurypsychrophiles. Actinobacteria and Proteobacteria species dominated the culturable fraction of this community. Several isolates produced metabolites that solubilized mineral phosphates at low temperatures; others solubilized iron-containing mineral fractions in the green andesite rock when tested in vitro. To the best of our knowledge, this is the first report related to the biodeterioration of an Inca monument at such an altitude in the Andes range.

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Section: Discussionmentioning

confidence: 64%

Biological Deterioration of an Inca Monument at High Altitude in the Andean Range: A Case Study from Ingapirca’s Temple of the Sun (Ecuador)

et al. 2022

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“…For instance, some genera that have been found to have a high ability to solubilize phosphate, such as Pseudomonas, have been described as good PGP microorganisms due to their ability to solubilize inorganic phosphate [55,56]. In recent years, the genus Caballeronia, with various strains isolated from the rhizosphere or endophytic environments, has been shown to be an important phosphate solubilizer [57][58][59]. Moreover, the production of siderophores has also been studied and demonstrated in about half of the isolates.…”

Section: Discussionmentioning

confidence: 99%

Insight into the Taxonomic and Functional Diversity of Bacterial Communities Inhabiting Blueberries in Portugal

et al. 2022

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Vaccinium myrtillus is a dwarf shrub of the Ericaceae family with a Palearctic distribution, associated with temperate and cold humid climates. It is widespread on the European continent; on the Iberian Peninsula it is located on Atlantic climate mountains and glacial relicts. In Portugal, we find scattered and interesting populations; however, the majority of them are threatened by climate change and wildfires. Given that, the objective of this study is to determine the rhizospheric and root bacterial communities of this plant in the southernmost regions, and, consequently, its potential range and ability to be used as a biofertilizer. In this work, metabarcoding of 16S rRNA gene showed that the endophytic bacterial diversity is dependent on the plant and selected by it according to the observed alpha and beta diversity. Moreover, a culturomic approach allowed 142 different strains to be isolated, some of them being putative new species. Additionally, some strains belonging to the genera Bacillus, Paenibacillus, Pseudomonas, Paraburkholderia, and Caballeronia showed significant potential to be applied as multifunctional biofertilizers since they present good plant growth-promoting (PGP) mechanisms, high colonization capacities, and an increase in vegetative parameters in blueberry and tomato plants.

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“…Several Pseudomonas species are reported to have PGP activities such as mineral phosphate solubilization ( da Silva et al, 2021 ) and the generation of chemicals that contributes to plant development or suppress plant pathogens; indole acetic acid (IAA), 1-aminocyclopropane-1-carboxylate (ACC) deaminase, ammonia, and HCN. Furthermore, these cold adapted Pseudomonas species have been shown to relieve plant stress induced by several environmental conditions ( Mishra et al, 2011 ; Ma et al, 2017 ).…”

Section: Plant Growth Promotionmentioning

confidence: 99%

“… Subramanian et al (2015) investigated the biostimulant potential of cold adapted endophytic P. vancouverensis OB155-gfp and P. frederiksbergensis OS261-gfp in Solanum lycopersicum Mill. da Silva et al (2021) isolated Pseudomonas sp. 11.…”

Section: Plant Growth Promotionmentioning

confidence: 99%

Cold adapted Pseudomonas: ecology to biotechnology

Chauhan,

Kimothi,

Sharma

et al. 2023

Front. Microbiol.

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The cold adapted microorganisms, psychrophiles/psychrotolerants, go through several modifications at cellular and biochemical levels to alleviate the influence of low temperature stress conditions. The low temperature environments depend on these cold adapted microorganisms for various ecological processes. The ability of the microorganisms to function in cold environments depends on the strategies directly associated with cell metabolism, physicochemical constrains, and stress factors. Pseudomonas is one among such group of microorganisms which is predominant in cold environments with a wide range of ecological and biotechnological applications. Bioformulations of Pseudomonas spp., possessing plant growth promotion and biocontrol abilities for application under low temperature environments, are well documented. Further, recent advances in high throughput sequencing provide essential information regarding the prevalence of Pseudomonas in rhizospheres and their role in plant health. Cold adapted species of Pseudomonas are also getting recognition for their potential in biodegradation and bioremediation of environmental contaminants. Production of enzymes and bioactive compounds (primarily as an adaptation mechanism) gives way to their applications in various industries. Exopolysaccharides and various biotechnologically important enzymes, produced by cold adapted species of Pseudomonas, are making their way in food, textiles, and pharmaceuticals. The present review, therefore, aims to summarize the functional versatility of Pseudomonas with particular reference to its peculiarities along with the ecological and biotechnological applications.

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Antarctic lichens as a source of phosphate-solubilizing bacteria

Cited by 8 publications

References 43 publications

Biological Deterioration of an Inca Monument at High Altitude in the Andean Range: A Case Study from Ingapirca’s Temple of the Sun (Ecuador)

Biological Deterioration of an Inca Monument at High Altitude in the Andean Range: A Case Study from Ingapirca’s Temple of the Sun (Ecuador)

Insight into the Taxonomic and Functional Diversity of Bacterial Communities Inhabiting Blueberries in Portugal

Cold adapted Pseudomonas: ecology to biotechnology

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