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Dark septate endophytic fungi mitigate the effects of salt stress on cowpea plants

Farias, Gabriel Castro ; Nunes, Kenya Gonçalves ; Soares, Marcos Antônio ; de Siqueira, Kátia Aparecida ; Lima, William Cardoso ; Neves, Antônia Leila Rocha ; de Lacerda, Claudivan Feitosa ; Filho, Enéas Gomes

Brazilian journal of microbiology, 2020-03, Vol.51 (1), p.243-253 [Periódico revisado por pares]

Cham: Springer International Publishing

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Título:
Dark septate endophytic fungi mitigate the effects of salt stress on cowpea plants
Autor: Farias, Gabriel Castro ; Nunes, Kenya Gonçalves ; Soares, Marcos Antônio ; de Siqueira, Kátia Aparecida ; Lima, William Cardoso ; Neves, Antônia Leila Rocha ; de Lacerda, Claudivan Feitosa ; Filho, Enéas Gomes
Assuntos: Abiotic stress ; Ascomycota - isolation & purification ; Biological weapons ; Biomedical and Life Sciences ; Calcium ; Calcium - metabolism ; Chlorine ; Chlorine - metabolism ; Colonization ; Cowpeas ; Divergence ; Endophytes ; Endophytes - isolation & purification ; Environmental Microbiology - Research Paper ; Food Microbiology ; Fungi ; Irrigation water ; Leaves ; Life Sciences ; Medical Microbiology ; Melanconiella elegans ; Microbial Ecology ; Microbial Genetics and Genomics ; Microbiology ; Microorganisms ; Mycology ; Mycorrhizae ; Myrtales - microbiology ; Nutrition ; Photosynthesis ; Plant Leaves - metabolism ; Plant Roots - microbiology ; Plants - microbiology ; Potassium - metabolism ; Salinity ; Salinity effects ; Salt Stress ; Salts ; Sequences ; Sodium - metabolism ; Sordariomycetes ; Stress ; Vigna - growth & development ; Vigna - metabolism ; Vigna - microbiology ; Vigna unguiculata ; Vochysia divergens
É parte de: Brazilian journal of microbiology, 2020-03, Vol.51 (1), p.243-253
Notas: Responsible Editor: Marina Baquerizo Martinez.
Descrição: The association of plant with microorganisms, such as dark septate endophytic fungi, has mitigated the harmful effects of chemical, physical, and biological agents on the host. The objective of this work was to evaluate the interaction of the dark septate endophytic fungi with cowpea plants under salt stress. Endophytic fungi were isolated from Vochysia divergens root system, and molecular identification of fungi was performed by sequencing the ITS region. We selected and identified Sordariomycetes sp1-B’2 and Melanconiella elegans -21W2 for their ability to infect V. divergens root in vitro with development of typical dark septate fungi structures. Cowpea plants—inoculated or not inoculated with Sordariomycetes sp1-B’2 and M. elegans 21W2—were cultivated in 5-L pots under greenhouse conditions and submitted to four different electrical conductivities of irrigation water (1.2, 2.2, 3.6, and 5.0 dS m − 1 ). The salinity caused decrease in leaf concentration of K and increased leaf concentration of calcium, sodium, and chlorine; and no influence of dark septate endophytic fungi was observed in these responses. On the other hand, root colonization with Sordariomycetes sp1-B’2 and M. elegans 21W2 resulted in improved nutrition with N and P in cowpea under salt stress, favoring the growth and rate of liquid photosynthesis. However, such positive responses were evident only at moderate levels of salinity.
Editor: Cham: Springer International Publishing
Idioma: Inglês

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Dark septate endophytic fungi mitigate the effects of salt stress on cowpea plants

Farias, Gabriel Castro ; Nunes, Kenya Gonçalves ; Soares, Marcos Antônio ; de Siqueira, Kátia Aparecida ; Lima, William Cardoso ; Neves, Antônia Leila Rocha ; de Lacerda, Claudivan Feitosa ; Filho, Enéas Gomes

Cham: Springer International Publishing

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