Can Osmopriming Induce Cross-Tolerance for Abiotic Stresses in Solanum paniculatum L. Seeds? A Transcriptome Analysis Point of View

Author:

da Silva Pedro Bento1,Vaz Tatiana Arantes Afonso23ORCID,Acencio Marcio Luis4ORCID,Bovolenta Luiz Augusto4ORCID,Hilhorst Henk W. M.5,da Silva Edvaldo A. Amaral1

Affiliation:

1. Departamento de Produção Vegetal, Universidade Estadual Paulista “Júlio de Mesquita Filho”, FCA-UNESP, Botucatu 18610-034, SP, Brazil

2. Central de Laboratórios, Universidade Federal do Triângulo Mineiro, UFTM, Uberaba 38025-180, MG, Brazil

3. Laboratório de Sementes Florestais, Universidade Federal de Lavras, UFLA, Lavras 37200-000, MG, Brazil

4. Departamento de Biofísica e Farmacologia, Universidade Estadual Paulista “Júlio de Mesquita Filho”, IBB-UNESP, Botucatu 18610-034, SP, Brazil

5. Laboratory of Plant Physiology, Wageningen University, 6708 PB Wageningen, The Netherlands

Abstract

Solanum paniculatum L. belongs to the Solanaceae family and has the ability to grow and develop under unfavorable environmental conditions such as drought and salt stress, acid soils and soils poor in nutrients. The present work aimed to analyze S. paniculatum seed transcriptome associated with induced tolerance to drought stress by osmopriming. Seeds subjected to osmopriming (−1.0 MPa) displayed a higher germination and normal seedling percentage under drought stress when compared with unprimed seeds. RNA-seq transcriptome profiles of osmoprimed and unprimed seeds were determined and the potential proteins involved in the drought tolerance of S. paniculatum were identified. From the 34,640 assembled transcripts for both osmoprimed and unprimed seeds, only 235 were differentially expressed and, among these, 23 (10%) transcripts were predicted to code for proteins potentially involved in response to stress, response to abiotic stimulus and response to chemical. The possible mechanisms by which these stress-associated genes may confer tolerance to osmoprimed Solanum paniculatum seeds to germinate under water deficit was discussed and may help to find markers for the selection of new materials belonging to the Solanaceae family that are more tolerant to stress during and following germination.

Funder

São Paulo Research Foundation—FAPESP

CAPES-WUR program

Fundação de Amparo à Pesquisa do Estado de São Paulo

Universidade Estadual Paulista “Julio de Mesquita Filho”

Fundação de Amparo à Pesquisa do Estado de Minas Gerais

Universidade Federal de Lavras

Publisher

MDPI AG

Reference44 articles.

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3. Lorenzi, H., and Matos, F.J.A. (2021). Plantas Medicinais No Brasil: Nativas E Exóticas, Instituto Plantarum. [3rd ed.].

4. Efectiveness of methods to increase the germination rate of Jurubeba (Solanum paniculatum L.) seeds;Garcia;Pesqui. Agropecuária Trop.,2008

5. Martins, A.F. (1998). Contribuição Ao Estudo Das Plantas Medicinais: Manual de Preservação Da Natureza, Cabral Editora Universitária.

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