Thiourea Mitigates Potassium Deficiency in Soybean Varieties Through Redox or ABA Dependent Mechanisms

Sahoo, Sripati Abhiram; Singh, Reema Devi; Kulkarni, Jayant; Kamble, Granthali S.; Pandey, Manish K.; Verulkar, Satish; Srivastava, Ashish Kumar

doi:10.1007/s00344-023-10963-8

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“…Detailed methodology for downstream analysis of RNAseq data is provided in Supplementary method-5. The quantitative real-time PCR was performed, as per the method described previously (Sahoo et al, 2023). SesuviumKB is given as Supplementary method-6.…”

Section: Transcriptomics and Quantitative Real-time Pcrmentioning

confidence: 99%

Early‐responsive molecular signatures associated with halophytic adaptation in Sesuvium portulacastrum (L.)

Kulkarni,

Sahoo,

Herzyk

et al. 2023

Plant Cell & Environment

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Sesuvium portulacastrum (L.) is a halophyte, adapted to grow naturally under saline environments. The ability to use Na and K interchangeably indicated its facultative halophyte nature. No significant growth reduction occurs in seedlings up to 250 mM NaCl, except for curling of the youngest leaf. Within 8 h of salt treatment, seedlings accumulate proline, glycine betaine and other amino acids in both root and shoot. Despite a continued increase of tissue Na content, the number of differentially expressed genes (DEGs) decreases between 8 and 24 h of salt exposure, indicating transcriptional restoration after the initial osmotic challenge. At 8 h, upregulated genes mainly encode transporters and transcription factors, while genes in growth‐related pathways such as photosynthesis and ribosome‐associated biogenesis are suppressed. Overexpression of SpRAB18 (an ABA‐responsive dehydrin), one of the most strongly induced DEGs, in soybean was found to increase biomass in control conditions and the growth benefit was maintained when plants were grown in 100 mM NaCl, indicating conservation of function in halophyte and glycophyte. An open‐access transcriptome database “SesuviumKB” (https://cb.imsc.res.in/sesuviumkb/) was developed to involve the scientific community in wide‐scale functional studies of S. portulacastrum genes, that could pave the way to engineer salt tolerance in crops.

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Section: Transcriptomics and Quantitative Real-time Pcrmentioning

confidence: 99%