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Registro Completo |
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Biblioteca(s): |
Embrapa Meio Ambiente. |
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Data corrente: |
18/11/2014 |
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Data da última atualização: |
19/11/2014 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
CASTELIANI, A. G. B.; KAVAMURA, V. N.; ZUCCHI, T. D.; SÁBER, M. L.; NASCIMENTO, R. dos S.; FRIGHETTO, R. T. S.; TAKETANI, R. G.; MELO, I. S. de. |
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Afiliação: |
ANA GABRIELE BARBOSA CASTELIANI, ESALQ-USP; VANESSA NESSNER KAVAMURA; TIAGO DOMINGUES ZUCCHI; MIRIAN LOBO SABER, ESALQ-USP; ROSELY DOS SANTOS NASCIMENTO, CNPMA; ROSA TOYOKO SHIRAISHI FRIGHETTO, CNPMA; RODRIGO GOUVEA TAKETANI, Associação Cultural e Educacional de Garça; ITAMAR SOARES DE MELO, CNPMA. |
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Título: |
UV-B resistant yeast inhabit the phyllosphere of strawberry. |
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Ano de publicação: |
2014 |
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Fonte/Imprenta: |
British Microbiology Research Journal, London, v. 4, n. 10, p. 1105-1117, 2014. |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: The increase on the worldwide influx of solar ultraviolet radiation (UV-B) has inflicted a considerable challenge, due to its deleterious effects to live beings and pose a special threat to phyllosphere communities. However, UV-B influence on epiphytic yeasts associated with agricultural crops remains limited. Main aim of the present study was to determine the effect of ultraviolet-B radiation on the epiphytic yeast populations associated with strawberry under field conditions. Thus, strawberries (Fragaria x ananassa Duchesne cv. Oso Grande) were grown under three different treatments: a) environmental UV-B, b) enhanced UV-B and c) decreased UV-B; thereafter, their yeast epiphytic populations were analyzed by T-RFLP prior to yeast isolation, identification and in vitro test for the sensitivity against UV-B. Our results demonstrated that UV-B radiation did not significantly affect the strawberry epiphytic yeast populations. However, isolates directly exposed to radiation, generally revealed morphological abnormalities and a diminishing value in the percentage of survival, although they remained constant after 240 min of exposure. The increase in UV-B radiation was not sufficient to affect the dynamics and composition of epiphytic yeast communities from strawberry, there was a clear morphotype shift towards the selection of pigmented isolates. |
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Palavras-Chave: |
Field conditions; Leaf surface; T-RFLP. |
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Thesagro: |
Clima; Levedo; Morango; Raio ultravioleta. |
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Thesaurus Nal: |
Global warming; Phyllosphere; Strawberries; Ultraviolet radiation; Yeasts. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/111868/1/2014AP016.pdf
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Marc: |
LEADER 02333naa a2200349 a 4500
001 2000403
005 2014-11-19
008 2014 bl uuuu u00u1 u #d
100 1 $aCASTELIANI, A. G. B.
245 $aUV-B resistant yeast inhabit the phyllosphere of strawberry.$h[electronic resource]
260 $c2014
520 $aAbstract: The increase on the worldwide influx of solar ultraviolet radiation (UV-B) has inflicted a considerable challenge, due to its deleterious effects to live beings and pose a special threat to phyllosphere communities. However, UV-B influence on epiphytic yeasts associated with agricultural crops remains limited. Main aim of the present study was to determine the effect of ultraviolet-B radiation on the epiphytic yeast populations associated with strawberry under field conditions. Thus, strawberries (Fragaria x ananassa Duchesne cv. Oso Grande) were grown under three different treatments: a) environmental UV-B, b) enhanced UV-B and c) decreased UV-B; thereafter, their yeast epiphytic populations were analyzed by T-RFLP prior to yeast isolation, identification and in vitro test for the sensitivity against UV-B. Our results demonstrated that UV-B radiation did not significantly affect the strawberry epiphytic yeast populations. However, isolates directly exposed to radiation, generally revealed morphological abnormalities and a diminishing value in the percentage of survival, although they remained constant after 240 min of exposure. The increase in UV-B radiation was not sufficient to affect the dynamics and composition of epiphytic yeast communities from strawberry, there was a clear morphotype shift towards the selection of pigmented isolates.
650 $aGlobal warming
650 $aPhyllosphere
650 $aStrawberries
650 $aUltraviolet radiation
650 $aYeasts
650 $aClima
650 $aLevedo
650 $aMorango
650 $aRaio ultravioleta
653 $aField conditions
653 $aLeaf surface
653 $aT-RFLP
700 1 $aKAVAMURA, V. N.
700 1 $aZUCCHI, T. D.
700 1 $aSÁBER, M. L.
700 1 $aNASCIMENTO, R. dos S.
700 1 $aFRIGHETTO, R. T. S.
700 1 $aTAKETANI, R. G.
700 1 $aMELO, I. S. de
773 $tBritish Microbiology Research Journal, London$gv. 4, n. 10, p. 1105-1117, 2014.
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Registro original: |
Embrapa Meio Ambiente (CNPMA) |
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Origem |
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Voltar
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Registro Completo
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Biblioteca(s): |
Embrapa Unidades Centrais. |
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Data corrente: |
15/03/2018 |
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Data da última atualização: |
25/02/2019 |
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Autoria: |
ASSIS, F. A. de; SOUZA, G. A. de; DIAS, G. de M. G.; ASSIS, G. A. de; RODRIGUES, F. A.; PASQUAL, M.; COSTA, B. N. S.; CARVALHO, F. J. |
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Afiliação: |
Franscinely Aparecida de Assis, Centro Universitário de Goiatuba - UniCerrado; Genaina Aparecida de Souza, Universidade Federal de Viçosa/Departamento de Biologia Vegetal; Gabrielen de Maria Gomes Dias, Universidade Federal de Lavras/Departamento de Agricultura; Gleice Aparecida de Assis, Universidade Federal de Uberlândia; Filipe Almendagna Rodrigues, Universidade Federal de Lavras/Departamento de Agricultura; Moacir Pasqual, Universidade Federal de Lavras/Departamento de Agricultura; Bárbara Nogueira Souza Costa, Universidade Federal de Lavras/Departamento de Agricultura; Fábio Janoni Carvalho, Universidade Federal de Uberlândia. |
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Título: |
Silicon and agar on in vitro development of cockscomb (Amaranthaceae). |
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Ano de publicação: |
2018 |
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Fonte/Imprenta: |
Pesquisa Agropecuária Brasileira, Brasília, DF, v. 53, n. 1, p. 30-41, jan. 2018. |
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Idioma: |
Inglês |
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Notas: |
Título em português: Silício e ágar no desenvolvimento in vitro de crista-de-galo (Amaranthaceae). |
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Conteúdo: |
The objective of this work was to evaluate the effect of silicon and agar concentrations on cockscomb (Celosia cristata) (Amaranthaceae) development in vitro. Phytotechnical, anatomical, and ultrastructural analyses were carried out in a completely randomized design, in a 4x3 factorial arrangment, with four silicic acid concentrations (0.0, 0.5, 1.0, and 1.5 g L-1) and three agar concentrations (5.5, 8.0, and 10.5 g L-1), totaling 12 treatments with seven replicates. Celosia cristata explants were inoculated in vitro in a Murashige & Skoog (MS) culture medium, with 30 g L-1 sucrose. The analyses were conducted 30 days after inoculation. Phytotechnical traits improve with agar concentration of 8.0 g L-1, and the association of this concentration with 1.0 g L-1 silicon also contributes to the improvement of anatomical attributes, especially of leaf blade width and thickness of the palisade and spongy parenchyma, which contributes to the development of C. cristata. None of the evaluated combinations of agar and silicon contributes to Si deposition on the foliar epidermis of this ornamental species. |
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Palavras-Chave: |
Ácido silícico; Agente geleificante; Gelling agent; Ornamental plant. |
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Thesagro: |
Micropropagação; Planta ornamental. |
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Thesaurus NAL: |
Micropropagation; Silicic acid. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/173957/1/Silicon-and-agar-on-in-vitro-development.pdf
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Marc: |
LEADER 02118naa a2200313 a 4500
001 2089176
005 2019-02-25
008 2018 bl uuuu u00u1 u #d
100 1 $aASSIS, F. A. de
245 $aSilicon and agar on in vitro development of cockscomb (Amaranthaceae).$h[electronic resource]
260 $c2018
500 $aTítulo em português: Silício e ágar no desenvolvimento in vitro de crista-de-galo (Amaranthaceae).
520 $aThe objective of this work was to evaluate the effect of silicon and agar concentrations on cockscomb (Celosia cristata) (Amaranthaceae) development in vitro. Phytotechnical, anatomical, and ultrastructural analyses were carried out in a completely randomized design, in a 4x3 factorial arrangment, with four silicic acid concentrations (0.0, 0.5, 1.0, and 1.5 g L-1) and three agar concentrations (5.5, 8.0, and 10.5 g L-1), totaling 12 treatments with seven replicates. Celosia cristata explants were inoculated in vitro in a Murashige & Skoog (MS) culture medium, with 30 g L-1 sucrose. The analyses were conducted 30 days after inoculation. Phytotechnical traits improve with agar concentration of 8.0 g L-1, and the association of this concentration with 1.0 g L-1 silicon also contributes to the improvement of anatomical attributes, especially of leaf blade width and thickness of the palisade and spongy parenchyma, which contributes to the development of C. cristata. None of the evaluated combinations of agar and silicon contributes to Si deposition on the foliar epidermis of this ornamental species.
650 $aMicropropagation
650 $aSilicic acid
650 $aMicropropagação
650 $aPlanta ornamental
653 $aÁcido silícico
653 $aAgente geleificante
653 $aGelling agent
653 $aOrnamental plant
700 1 $aSOUZA, G. A. de
700 1 $aDIAS, G. de M. G.
700 1 $aASSIS, G. A. de
700 1 $aRODRIGUES, F. A.
700 1 $aPASQUAL, M.
700 1 $aCOSTA, B. N. S.
700 1 $aCARVALHO, F. J.
773 $tPesquisa Agropecuária Brasileira, Brasília, DF$gv. 53, n. 1, p. 30-41, jan. 2018.
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Embrapa Unidades Centrais (AI-SEDE) |
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