Transcriptome and Proteome Association Analysis to Screen Candidate Genes Related to Salt Tolerance in <i>Reaumuria soongorica</i> Leaves under Salt Stress
Hanghang Liu | Peifang Chong | Shipeng Yan | Zehua Liu | Xinguang Bao | Bingbing Tan
This work aims at studying the molecular mechanisms underlying the response of <i>Reaumuria soongorica</i> to salt stress. We used RNA sequencing (RNA-Seq) and Tandem Mass Tag (TMT) techniques to identify differentially expressed genes (DEGs) and differentially expressed proteins (DEPs) in <i>R. soongorica</i> leaves treated with 0, 200, and 500 mM NaCl for 72 h. The results indicated that compared with the 0 mM NaCl treatment group, 2391 and 6400 DEGs were identified in the 200 and 500 mM NaCl treatment groups, respectively, while 47 and 177 DEPs were also identified. Transcriptome and proteome association analysis was further performed on <i>R. soongorica</i> leaves in the 0/500 mM NaCl treatment group, and 32 genes with consistent mRNA and protein expression trends were identified. <i>SYP71</i>, <i>CS</i>, <i>PCC13-62</i>, <i>PASN</i>, <i>ZIFL1</i>, <i>CHS2</i>, and other differential genes are involved in photosynthesis, vesicle transport, auxin transport, and other functions of plants, and might play a key role in the salt tolerance of <i>R. soongorica</i>. In this study, transcriptome and proteome association techniques were used to screen candidate genes associated with salt tolerance in <i>R. soongorica</i>, which provides an important theoretical basis for understanding the molecular mechanism of salt tolerance in <i>R. soongorica</i> and breeding high-quality germplasm resources.
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