Abscisic acid (ABA) is a plant hormone that plays several roles in plant development. The de novo synthesis and the reversible inactivation of ABA have been largely described in the literature; however, the degradation of ABA, promoted by the enzymes Abscisic Acid 8'-Hydroxylase, encoded by the CYP707A gene family, is still poorly elucidated. Strawberry (Fragaria x ananassa) has been used as a model to study the ABA-dependent maturation process of non-climacteric fruits, and the ABA-dependent response to abiotic stress. However, the CYP707A genes from this species have not been fully described and characterized. In this perspective, FaCYP707A sequences were identified from strawberry fruit transcriptome and several structural and comparative genomic analyzes were performed. Moreover, the expression of the FaCYP707A sequences identified was investigated in fruits under salt stress and ABA application. Four putative FaCYP707A were identified and the structural analysis confirmed the identity of three of them. The phylogenetic analysis allowed to determine their homologous in other plant species and to predict their evolutionary history; and the expression profile of the FaCYP707As demonstrated that FaCYP707A3 seems to be involved in the response against salt stress in an ABA-dependent manner. Moreover, the interaction network analysis pointed out proteins involved in the ABA metabolism, heavy metal homeostasis and detoxification, and cell wall dissemble. This study characterized for the first time the CYP707A gene family in F. ananassa; this information will guide future studies in order to develop biofortified fruits and stress tolerant plants.
Com o objetivo de analisar os valores monetários arrecadados entre os anos de 2016, 2017 e 2018, através do pagamento de taxas do licenciamento ambiental municipal, para o caixa único da prefeitura de Pelotas RS, o presente estudo buscou através de uma pesquisa quantitativa, diagnosticar e evidenciar a necessidade de utilizar o licenciamento ambiental como uma ferramenta de diagnóstico de crescimento econômico ambiental, sendo ele uma tributação ambiental. A captação dos dados foi realizada através de relatórios internos, emitidos pelo Sistema de Licenciamento Ambiental Municipal-SISLAM os resultados obtidos foram tabulados e calculados no software Excel 2017. De acordo com os valores monetários das taxas de licenças, ficou claro o quão importante é o licenciamento ambiental não apenas como um instrumento de gestão e proteção ambiental, mas como fonte importante de arrecadação para os cofres públicos. Os dados apresentados evidenciam uma redução no volume de protocolos de licenças ambientais, por conta das mudanças na legislação que rege o licenciamento no âmbito estadual do Rio Grande do Sul.
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