scholarly journals Replacement of native vegetation alters the soil microbial structure in the Pampa biome

2017 ◽  
Vol 74 (1) ◽  
pp. 77-84 ◽  
Author(s):  
Afnan Khalil Ahmad Suleiman ◽  
Victor Satler Pylro ◽  
Luiz Fernando Wurdig Roesch
Chemosphere ◽  
2012 ◽  
Vol 86 (8) ◽  
pp. 802-808 ◽  
Author(s):  
C. Fajardo ◽  
L.T. Ortíz ◽  
M.L. Rodríguez-Membibre ◽  
M. Nande ◽  
M.C. Lobo ◽  
...  

2013 ◽  
Vol 6 (2) ◽  
pp. 173-183 ◽  
Author(s):  
Vincent Tardy ◽  
Olivier Mathieu ◽  
Jean Lévêque ◽  
Sébastien Terrat ◽  
Abad Chabbi ◽  
...  

Bragantia ◽  
2020 ◽  
Vol 79 (4) ◽  
pp. 498-504
Author(s):  
Wanderley José de Melo ◽  
Gabriel Mauricio Peruca de Melo ◽  
Valeria Peruca de Melo ◽  
Ademir Sérgio Ferreira Araujo ◽  
Antônio Sérgio Ferraudo ◽  
...  

2018 ◽  
Author(s):  
Anthony Barboza ◽  
Victor S Pylro ◽  
Rodrigo Jacques ◽  
Paulo Gubiani ◽  
Júlio Trindade ◽  
...  

Soil microbial communities’ assembly is strongly tied to changes in temperature and moisture. Although microbial functional redundancy seems to overcome taxonomical composition changes, the sensitivity and resilience of soil microbial communities from subtropical regions in response to seasonal variations are still poorly understood. Thus, the development of new strategies for biodiversity conservation and sustainable management require a complete understanding of the soil abiotic process involved in the selection of microbial taxa and functions. In this work, we used state of the art molecular methodologies (Next Generation Sequencing) to compare the taxonomic (metataxonomics) and functional (metatranscriptomics) profiles among soil samples from two subtropical natural grasslands located in the Pampa biome, Brazil, in response to short-term seasonal variations. We found consistent effects of season on both microbial community structure and functions, but with the former being more influenced than the latter. These variations were more related to the oscillation in the relative abundances of specific taxa along seasons, rather than extinction and recolonization of taxa along seasons. In conclusion, the most abundant microbial groups and functions were shared between seasons and locations reflecting the existence of a stable taxonomical and functional core microbiota.


2018 ◽  
Author(s):  
Anthony Barboza ◽  
Victor S Pylro ◽  
Rodrigo Jacques ◽  
Paulo Gubiani ◽  
Júlio Trindade ◽  
...  

Soil microbial communities’ assembly is strongly tied to changes in temperature and moisture. Although microbial functional redundancy seems to overcome taxonomical composition changes, the sensitivity and resilience of soil microbial communities from subtropical regions in response to seasonal variations are still poorly understood. Thus, the development of new strategies for biodiversity conservation and sustainable management require a complete understanding of the soil abiotic process involved in the selection of microbial taxa and functions. In this work, we used state of the art molecular methodologies (Next Generation Sequencing) to compare the taxonomic (metataxonomics) and functional (metatranscriptomics) profiles among soil samples from two subtropical natural grasslands located in the Pampa biome, Brazil, in response to short-term seasonal variations. We found consistent effects of season on both microbial community structure and functions, but with the former being more influenced than the latter. These variations were more related to the oscillation in the relative abundances of specific taxa along seasons, rather than extinction and recolonization of taxa along seasons. In conclusion, the most abundant microbial groups and functions were shared between seasons and locations reflecting the existence of a stable taxonomical and functional core microbiota.


2021 ◽  
Vol 22 (16) ◽  
pp. 9036 ◽  
Author(s):  
Nur Sabrina Natasha Abdul Rahman ◽  
Nur Wahida Abdul Hamid ◽  
Kalaivani Nadarajah

Rhizospheric organisms have a unique manner of existence since many factors can influence the shape of the microbiome. As we all know, harnessing the interaction between soil microbes and plants is critical for sustainable agriculture and ecosystems. We can achieve sustainable agricultural practice by incorporating plant-microbiome interaction as a positive technology. The contribution of this interaction has piqued the interest of experts, who plan to do more research using beneficial microorganism in order to accomplish this vision. Plants engage in a wide range of interrelationship with soil microorganism, spanning the entire spectrum of ecological potential which can be mutualistic, commensal, neutral, exploitative, or competitive. Mutualistic microorganism found in plant-associated microbial communities assist their host in a number of ways. Many studies have demonstrated that the soil microbiome may provide significant advantages to the host plant. However, various soil conditions (pH, temperature, oxygen, physics-chemistry and moisture), soil environments (drought, submergence, metal toxicity and salinity), plant types/genotype, and agricultural practices may result in distinct microbial composition and characteristics, as well as its mechanism to promote plant development and defence against all these stressors. In this paper, we provide an in-depth overview of how the above factors are able to affect the soil microbial structure and communities and change above and below ground interactions. Future prospects will also be discussed.


2019 ◽  
Vol 24 (6) ◽  
pp. 977-991
Author(s):  
Maicon Toldi ◽  
Noeli Juarez Ferla ◽  
Júlia Jantsch Ferla ◽  
Elisete Maria de Freitas ◽  
Enrico De Lillo

Four new species of eriophyoid mites (Acari: Trombidiformes: Eriophyoidea) were collected from native plant species from Pampa biome, in the state of Rio Grande do Sul, Brazil, and are described and illustrated herein. They have been named: Aculus pampae sp. nov. on Elephantopus mollis Kunth (Asteraceae); Costarectus lanceatus sp. nov. on Sebastiania brasiliensis Spreng. (Euphorbiaceae); Dichopelmus sigfeminae sp. nov. and Rhynacus symflori sp. nov. both on Symplocos uniflora (Pohl) Benth. (Symplocaceae). All new species appeared to be vagrants and no apparent symptom was associated to them.


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