Physiological responses, bioactivity and differential analysis of protein abundance of the brown seaweed Sargassum (Phaeophyceae, Fucales) submitted to UV radiation

Detalhes bibliográficos
Ano de defesa: 2019
Autor(a) principal: Osorio, Luz Karime Polo
Orientador(a): Não Informado pela instituição
Banca de defesa: Não Informado pela instituição
Tipo de documento: Tese
Tipo de acesso: Acesso aberto
Idioma: eng
Instituição de defesa: Biblioteca Digitais de Teses e Dissertações da USP
Programa de Pós-Graduação: Não Informado pela instituição
Departamento: Não Informado pela instituição
País: Não Informado pela instituição
Palavras-chave em Português:
Alga
Algae
Estresse oxidativo
Fotoproteção
Oxidative stress
Phenolic compounds
Photoprotection
Proteômica
Proteomics
Substância fenólicas
Link de acesso: http://www.teses.usp.br/teses/disponiveis/41/41132/tde-27112019-144804/
Resumo: The distribution and abundance of macroalgae are determined by the resources they demand (e.g. light, carbon dioxide, mineral nutrients, substrate), the effects of environmental factors (e.g. temperature, salinity, water movement, solar radiation), rates of recruitment, mortality and dispersion, and biological interactions (e.g. competition and herbivory). All these aspects are of particular importance in scenarios of environmental and global climate changes, as they determine the susceptibility and survival of organisms and the dynamic of ecosystems. One of the most debated factors that can affect these responses is the influence of UV radiation. Highly energetic photons in the UV radiation range can be absorbed by nucleic acids, lipids, amino acids, proteins, chlorophylls, and carotenoids of the organisms, causing significant cellular damage through photooxidation and oxidative stress, resulting in several vital metabolic changes such as DNA replication, transcription and translation, growth rate and development, photosynthesis and respiration, and promotion of apoptosis. Based on the aforementioned information, the present study intends to contribute to the knowledge of the effect of UV radiation on macroalgae by using Sargassum spp. as biological model by integrating diverse physiological, cellular defenses, biological activities, and proteomic approaches for understanding the impact and sensitivity of this stressor under laboratory conditions
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spelling Physiological responses, bioactivity and differential analysis of protein abundance of the brown seaweed Sargassum (Phaeophyceae, Fucales) submitted to UV radiationRespostas fisiológicas, bioatividade e análises diferencial da abundância de proteínas da alga parda Sargassum (Phaeophyceae, Fucales) submetida a radiação UVAlgaAlgaeEstresse oxidativoFotoproteçãoOxidative stressPhenolic compoundsPhotoprotectionProteômicaProteomicsSubstância fenólicasThe distribution and abundance of macroalgae are determined by the resources they demand (e.g. light, carbon dioxide, mineral nutrients, substrate), the effects of environmental factors (e.g. temperature, salinity, water movement, solar radiation), rates of recruitment, mortality and dispersion, and biological interactions (e.g. competition and herbivory). All these aspects are of particular importance in scenarios of environmental and global climate changes, as they determine the susceptibility and survival of organisms and the dynamic of ecosystems. One of the most debated factors that can affect these responses is the influence of UV radiation. Highly energetic photons in the UV radiation range can be absorbed by nucleic acids, lipids, amino acids, proteins, chlorophylls, and carotenoids of the organisms, causing significant cellular damage through photooxidation and oxidative stress, resulting in several vital metabolic changes such as DNA replication, transcription and translation, growth rate and development, photosynthesis and respiration, and promotion of apoptosis. Based on the aforementioned information, the present study intends to contribute to the knowledge of the effect of UV radiation on macroalgae by using Sargassum spp. as biological model by integrating diverse physiological, cellular defenses, biological activities, and proteomic approaches for understanding the impact and sensitivity of this stressor under laboratory conditionsA distribuição e a abundância de macroalgas são determinadas pelos recursos que exigem (por exemplo, luz, dióxido de carbono, nutrientes minerais, substrato), pelos efeitos de fatores ambientais (temperatura, salinidade, movimento da água, radiação solar), taxas de recrutamento, mortalidade e dispersão e por interações biológicas (por exemplo, competição e herbivoria). Todos esses aspectos são de particular importância em cenários de mudanças climáticas globais e ambientais, pois determinam a suscetibilidade e sobrevivência dos organismos e a dinâmica dos ecossistemas. Um dos fatores mais debatidos que podem afetar essas respostas é a influência da radiação UV. Fótons altamente energéticos na faixa da radiação UV podem ser absorvidos por ácidos nucleicos, lipídios, aminoácidos, proteínas, clorofilas e carotenoides dos organismos, causando danos celulares significativos por fotooxidação e estresse oxidativo, resultando em várias alterações metabólicas vitais, como replicação do DNA, transcrição e tradução, taxa de crescimento e desenvolvimento, fotossíntese e respiração, e promoção de apoptose. Com base nessas informações, o presente estudo pretende contribuir para o conhecimento do efeito da radiação UV em macroalgas, utilizando Sargassum spp. como modelo biológico e integrando diversas abordagens como fisiológicas, celulares, atividades biológicas e proteômica para a compreensão do impacto e da sensibilidade deste estresse em condições de laboratórioBiblioteca Digitais de Teses e Dissertações da USPHo, Fanly Fungyi ChowOsorio, Luz Karime Polo2019-09-27info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/doctoralThesisapplication/pdfhttp://www.teses.usp.br/teses/disponiveis/41/41132/tde-27112019-144804/reponame:Biblioteca Digital de Teses e Dissertações da USPinstname:Universidade de São Paulo (USP)instacron:USPLiberar o conteúdo para acesso público.info:eu-repo/semantics/openAccesseng2021-11-26T12:56:17Zoai:teses.usp.br:tde-27112019-144804Biblioteca Digital de Teses e Dissertaçõeshttp://www.teses.usp.br/PUBhttp://www.teses.usp.br/cgi-bin/mtd2br.plvirginia@if.usp.br|| atendimento@aguia.usp.br||virginia@if.usp.bropendoar:27212021-11-26T12:56:17Biblioteca Digital de Teses e Dissertações da USP - Universidade de São Paulo (USP)false
dc.title.none.fl_str_mv Physiological responses, bioactivity and differential analysis of protein abundance of the brown seaweed Sargassum (Phaeophyceae, Fucales) submitted to UV radiation
Respostas fisiológicas, bioatividade e análises diferencial da abundância de proteínas da alga parda Sargassum (Phaeophyceae, Fucales) submetida a radiação UV
title Physiological responses, bioactivity and differential analysis of protein abundance of the brown seaweed Sargassum (Phaeophyceae, Fucales) submitted to UV radiation
spellingShingle Physiological responses, bioactivity and differential analysis of protein abundance of the brown seaweed Sargassum (Phaeophyceae, Fucales) submitted to UV radiation
Osorio, Luz Karime Polo
Alga
Algae
Estresse oxidativo
Fotoproteção
Oxidative stress
Phenolic compounds
Photoprotection
Proteômica
Proteomics
Substância fenólicas
title_short Physiological responses, bioactivity and differential analysis of protein abundance of the brown seaweed Sargassum (Phaeophyceae, Fucales) submitted to UV radiation
title_full Physiological responses, bioactivity and differential analysis of protein abundance of the brown seaweed Sargassum (Phaeophyceae, Fucales) submitted to UV radiation
title_fullStr Physiological responses, bioactivity and differential analysis of protein abundance of the brown seaweed Sargassum (Phaeophyceae, Fucales) submitted to UV radiation
title_full_unstemmed Physiological responses, bioactivity and differential analysis of protein abundance of the brown seaweed Sargassum (Phaeophyceae, Fucales) submitted to UV radiation
title_sort Physiological responses, bioactivity and differential analysis of protein abundance of the brown seaweed Sargassum (Phaeophyceae, Fucales) submitted to UV radiation
author Osorio, Luz Karime Polo
author_facet Osorio, Luz Karime Polo
author_role author
dc.contributor.none.fl_str_mv Ho, Fanly Fungyi Chow
dc.contributor.author.fl_str_mv Osorio, Luz Karime Polo
dc.subject.por.fl_str_mv Alga
Algae
Estresse oxidativo
Fotoproteção
Oxidative stress
Phenolic compounds
Photoprotection
Proteômica
Proteomics
Substância fenólicas
topic Alga
Algae
Estresse oxidativo
Fotoproteção
Oxidative stress
Phenolic compounds
Photoprotection
Proteômica
Proteomics
Substância fenólicas
description The distribution and abundance of macroalgae are determined by the resources they demand (e.g. light, carbon dioxide, mineral nutrients, substrate), the effects of environmental factors (e.g. temperature, salinity, water movement, solar radiation), rates of recruitment, mortality and dispersion, and biological interactions (e.g. competition and herbivory). All these aspects are of particular importance in scenarios of environmental and global climate changes, as they determine the susceptibility and survival of organisms and the dynamic of ecosystems. One of the most debated factors that can affect these responses is the influence of UV radiation. Highly energetic photons in the UV radiation range can be absorbed by nucleic acids, lipids, amino acids, proteins, chlorophylls, and carotenoids of the organisms, causing significant cellular damage through photooxidation and oxidative stress, resulting in several vital metabolic changes such as DNA replication, transcription and translation, growth rate and development, photosynthesis and respiration, and promotion of apoptosis. Based on the aforementioned information, the present study intends to contribute to the knowledge of the effect of UV radiation on macroalgae by using Sargassum spp. as biological model by integrating diverse physiological, cellular defenses, biological activities, and proteomic approaches for understanding the impact and sensitivity of this stressor under laboratory conditions
publishDate 2019
dc.date.none.fl_str_mv 2019-09-27
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/doctoralThesis
format doctoralThesis
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://www.teses.usp.br/teses/disponiveis/41/41132/tde-27112019-144804/
url http://www.teses.usp.br/teses/disponiveis/41/41132/tde-27112019-144804/
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv
dc.rights.driver.fl_str_mv Liberar o conteúdo para acesso público.
info:eu-repo/semantics/openAccess
rights_invalid_str_mv Liberar o conteúdo para acesso público.
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.coverage.none.fl_str_mv
dc.publisher.none.fl_str_mv Biblioteca Digitais de Teses e Dissertações da USP
publisher.none.fl_str_mv Biblioteca Digitais de Teses e Dissertações da USP
dc.source.none.fl_str_mv
reponame:Biblioteca Digital de Teses e Dissertações da USP
instname:Universidade de São Paulo (USP)
instacron:USP
instname_str Universidade de São Paulo (USP)
instacron_str USP
institution USP
reponame_str Biblioteca Digital de Teses e Dissertações da USP
collection Biblioteca Digital de Teses e Dissertações da USP
repository.name.fl_str_mv Biblioteca Digital de Teses e Dissertações da USP - Universidade de São Paulo (USP)
repository.mail.fl_str_mv virginia@if.usp.br|| atendimento@aguia.usp.br||virginia@if.usp.br
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