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CHX gene family in Capsicum annuum

Candidate: concept label1 source documents5 linked claims
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Aliases

CaCHX gene family, cation/H+ exchanger (CHX) gene family in pepper

Extracted Explainers

What the tool is doing

This paper defines the pepper CHX family by genome-wide identification and analyzes its phylogeny, motifs, promoters, and expression patterns. It frames the family as a resource for studying development and stress adaptation in pepper.

Source 1DOIPubMed

Resources required

The analysis uses HMM searches, phylogenetic reconstruction, conserved motif and promoter analysis, and expression profiling across tissues and stress treatments.

Source 1DOIPubMed

What problem it solves

It provides a first comprehensive overview of CHX genes in pepper, where the family had remained largely unexplored.

Source 1DOIPubMed

What it does not solve

The abstract does not show direct mechanistic or causal validation for specific CaCHX genes.

Source 1DOIPubMed

Alternatives

The abstract does not name alternative pepper toolkits, but it contrasts broad family-level analysis with the prior lack of functional characterization in this species.

Source 1DOIPubMed

Evidence Snippets

Using a combination of Hidden Markov Model (HMM) searches, phylogenetic reconstruction, conserved motif and promoter analysis, and expression profiling across tissues and under multiple stress conditions, a total of 23 CaCHX genes were identified
Evidence 1Source 1DOIPubMedprovenance

Supporting Sources

Linked Claims

Claim 1expression patternsupports2025Source 1DOIPubMed

Most CaCHX genes are highly expressed in flowers, suggesting involvement in reproductive development.

Quoted textsource-backed
Expression profiling revealed that most CaCHX genes were highly expressed in flowers, suggesting their potential involvement in reproductive development
Claim 2expression patternsupports2025Source 1DOIPubMed

Only CaCHX12 and CaCHX17 were detected in leaves.

Quoted textsource-backed
while only CaCHX12 and CaCHX17 were detected in leaves
Claim 3identification resultsupports2025Source 1DOIPubMed

A genome-wide analysis identified 23 CaCHX genes in Capsicum annuum.

Quoted textsource-backed
a total of 23 CaCHX genes were identified, which are unevenly distributed across 10 chromosomes and classified into 6 phylogenetic subfamilies
Claim 4resource claimsupports2025Source 1DOIPubMed

This study provides the first comprehensive genomic and transcriptomic overview of the CHX family in pepper.

Quoted textsource-backed
This study provides the first comprehensive genomic and transcriptomic overview of the CHX family in pepper
Claim 5stress response expressionsupports2025Source 1DOIPubMed

CaCHX1, CaCHX20, and CaCHX23 show distinct temporal expression patterns under ABA, GA, NaCl, and JA treatments, suggesting involvement in hormone-mediated stress responses.

Quoted textsource-backed
Under treatments such as abscisic acid (ABA), gibberellic acid (GA), NaCl, and jasmonic acid (JA), CaCHX1, CaCHX20, and CaCHX23 exhibited distinct temporal expression patterns, suggesting their involvement in hormone-mediated stress responses