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SsDHN as a positive regulator of drought resilience

Candidate: concept label1 source documents5 linked claims
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Aliases

SsDHN drought resilience regulator

Evidence Snippets

Taken together, these findings establish that SsDHN functions as a positive regulator of drought resilience in plants.
Evidence 1Source 1DOIPubMedprovenance

Supporting Sources

Linked Claims

Claim 1functional effectsupports2026Source 1DOIPubMed

Constitutive SsDHN expression in transgenic tobacco enhances drought tolerance under water-limited conditions.

Quoted textsource-backed
Results indicated that constitutive <i>SsDHN</i> expression enhanced biomass accumulation, foliar expansion, root elongation, and root surface dimensions in water-stressed seedlings.
Claim 2gene expression changesupports2026Source 1DOIPubMed

SsDHN-OE tobacco lines under drought stress show increased transcript abundance of NtNCED3, NtSnRK2.2, NtRD26, NtLEA5, NtPOD, NtSOD, NtCAT, and NtAPX1.

Quoted textsource-backed
Furthermore, transcript abundance of stress-responsive genes-encompassing <i>NtNCED3</i>, <i>NtSnRK2.2</i>, <i>NtRD26</i>, <i>NtLEA5</i>, <i>NtPOD</i>, <i>NtSOD</i>, <i>NtCAT</i>, and <i>NtAPX1</i>-was markedly increased in <i>SsDHN</i>-OE lines experiencing drought stress.
Claim 3mechanistic associationsupports2026Source 1DOIPubMed

SsDHN overexpression in drought-stressed tobacco is associated with increased proline and ABA accumulation, increased antioxidant enzyme activity, and intensified stomatal regulation.

Quoted textsource-backed
Moreover, transformed lines demonstrated elevated proline (Pro) accumulation and abscisic acid (ABA) content, augmented antioxidant enzyme activity, and intensified stomatal regulation under stress conditions.
Claim 4overall conclusionsupports2026Source 1DOIPubMed

SsDHN functions as a positive regulator of drought resilience in plants.

Quoted textsource-backed
Taken together, these findings establish that SsDHN functions as a positive regulator of drought resilience in plants.
Claim 5stress protectionsupports2026Source 1DOIPubMed

SsDHN overexpression reduces photoinhibition, chloroplast structural degradation, MDA accumulation, electrolyte leakage, hydrogen peroxide, and superoxide under drought stress in tobacco.

Quoted textsource-backed
Conversely, photoinhibition intensity, chloroplast structural degradation, malondialdehyde (MDA) accumulation, electrolyte leakage, hydrogen peroxide (H<sub>2</sub>O<sub>2</sub>), and superoxide radical (O<sub>2</sub><sup>-</sup>) concentrations were diminished.