Toolkit/basic helix-loop-helix transcription factor family in Chimonanthus praecox

basic helix-loop-helix transcription factor family in Chimonanthus praecox

Protein Domain·Research·Since 2023

Also known as: bHLH transcription factor family in Wintersweet, CpbHLH gene family

Taxonomy: Mechanism Branch / Component. Workflows sit above the mechanism and technique branches rather than replacing them.

Summary

The CpbHLH gene family is the set of basic helix-loop-helix transcription factor genes identified in Chimonanthus praecox. A genome-wide study reported 131 CpbHLH genes distributed across 11 chromosomes and characterized their expression across tissues and flower developmental stages.

Usefulness & Problems

Why this is useful

This gene family resource is useful for studying transcriptional regulation in Wintersweet and for prioritizing candidate regulators associated with tissue-specific and flower stage-specific biology. The reported expression diversity and evolutionary analysis provide a framework for comparative and functional studies within this ornamental species.

Problem solved

It addresses the lack of a genome-wide catalog and initial characterization of bHLH transcription factors in Chimonanthus praecox. The study also provides an initial view of how this family expanded, indicating segmental duplication and purifying selection among duplicated pairs.

Taxonomy & Function

Primary hierarchy

Mechanism Branch

Component: A low-level protein part used inside a larger architecture that realizes a mechanism.

Target processes

selectiontranscription

Implementation Constraints

Implementation is as a genomic and transcriptomic candidate set in Chimonanthus praecox rather than as a single engineered reagent. Practical use therefore depends on access to the Wintersweet genome context and follow-up expression or functional assays for individual CpbHLH genes.

The available evidence describes identification, chromosomal distribution, expression patterns, and evolutionary inference, but does not provide direct functional validation for specific CpbHLH proteins. Independent replication and mechanistic dissection beyond general transcriptional regulation are not documented in the supplied evidence.

Validation

Cell-freeBacteriaMammalianMouseHumanTherapeuticIndep. Replication

Supporting Sources

Ranked Claims

Claim 1expression patternsupports2023Source 1needs review

CpbHLH genes show diverse expression patterns across tissues and flower developmental stages in Wintersweet, suggesting involvement in diverse physiological processes.

Transcriptomic analysis revealed diverse expression patterns of CpbHLH genes in various tissues and distinct stages of Wintersweet flower development, thereby suggesting their involvement in a diverse array of physiological processes
Claim 2expression patternsupports2023Source 1needs review

CpbHLH genes show diverse expression patterns across tissues and flower developmental stages in Wintersweet, suggesting involvement in diverse physiological processes.

Transcriptomic analysis revealed diverse expression patterns of CpbHLH genes in various tissues and distinct stages of Wintersweet flower development, thereby suggesting their involvement in a diverse array of physiological processes
Claim 3expression patternsupports2023Source 1needs review

CpbHLH genes show diverse expression patterns across tissues and flower developmental stages in Wintersweet, suggesting involvement in diverse physiological processes.

Transcriptomic analysis revealed diverse expression patterns of CpbHLH genes in various tissues and distinct stages of Wintersweet flower development, thereby suggesting their involvement in a diverse array of physiological processes
Claim 4expression patternsupports2023Source 1needs review

CpbHLH genes show diverse expression patterns across tissues and flower developmental stages in Wintersweet, suggesting involvement in diverse physiological processes.

Transcriptomic analysis revealed diverse expression patterns of CpbHLH genes in various tissues and distinct stages of Wintersweet flower development, thereby suggesting their involvement in a diverse array of physiological processes
Claim 5expression patternsupports2023Source 1needs review

CpbHLH genes show diverse expression patterns across tissues and flower developmental stages in Wintersweet, suggesting involvement in diverse physiological processes.

Transcriptomic analysis revealed diverse expression patterns of CpbHLH genes in various tissues and distinct stages of Wintersweet flower development, thereby suggesting their involvement in a diverse array of physiological processes
Claim 6expression patternsupports2023Source 1needs review

CpbHLH genes show diverse expression patterns across tissues and flower developmental stages in Wintersweet, suggesting involvement in diverse physiological processes.

Transcriptomic analysis revealed diverse expression patterns of CpbHLH genes in various tissues and distinct stages of Wintersweet flower development, thereby suggesting their involvement in a diverse array of physiological processes
Claim 7expression patternsupports2023Source 1needs review

CpbHLH genes show diverse expression patterns across tissues and flower developmental stages in Wintersweet, suggesting involvement in diverse physiological processes.

Transcriptomic analysis revealed diverse expression patterns of CpbHLH genes in various tissues and distinct stages of Wintersweet flower development, thereby suggesting their involvement in a diverse array of physiological processes
Claim 8gene family expansion mechanismsupports2023Source 1needs review

Expansion of the CpbHLH gene family was primarily driven by segmental duplication, and duplicated gene pairs experienced purifying selection during evolution.

the expansion of the CpbHLH gene family was primarily driven by segmental duplication, with duplicated gene pairs experiencing purifying selection during evolution
Claim 9gene family expansion mechanismsupports2023Source 1needs review

Expansion of the CpbHLH gene family was primarily driven by segmental duplication, and duplicated gene pairs experienced purifying selection during evolution.

the expansion of the CpbHLH gene family was primarily driven by segmental duplication, with duplicated gene pairs experiencing purifying selection during evolution
Claim 10gene family expansion mechanismsupports2023Source 1needs review

Expansion of the CpbHLH gene family was primarily driven by segmental duplication, and duplicated gene pairs experienced purifying selection during evolution.

the expansion of the CpbHLH gene family was primarily driven by segmental duplication, with duplicated gene pairs experiencing purifying selection during evolution
Claim 11gene family expansion mechanismsupports2023Source 1needs review

Expansion of the CpbHLH gene family was primarily driven by segmental duplication, and duplicated gene pairs experienced purifying selection during evolution.

the expansion of the CpbHLH gene family was primarily driven by segmental duplication, with duplicated gene pairs experiencing purifying selection during evolution
Claim 12gene family expansion mechanismsupports2023Source 1needs review

Expansion of the CpbHLH gene family was primarily driven by segmental duplication, and duplicated gene pairs experienced purifying selection during evolution.

the expansion of the CpbHLH gene family was primarily driven by segmental duplication, with duplicated gene pairs experiencing purifying selection during evolution
Claim 13gene family expansion mechanismsupports2023Source 1needs review

Expansion of the CpbHLH gene family was primarily driven by segmental duplication, and duplicated gene pairs experienced purifying selection during evolution.

the expansion of the CpbHLH gene family was primarily driven by segmental duplication, with duplicated gene pairs experiencing purifying selection during evolution
Claim 14gene family expansion mechanismsupports2023Source 1needs review

Expansion of the CpbHLH gene family was primarily driven by segmental duplication, and duplicated gene pairs experienced purifying selection during evolution.

the expansion of the CpbHLH gene family was primarily driven by segmental duplication, with duplicated gene pairs experiencing purifying selection during evolution
Claim 15genome wide identificationsupports2023Source 1needs review

The Chimonanthus praecox bHLH gene family comprises 131 identified genes across 11 chromosomes.

identifying a total of 131 CpbHLH genes across 11 chromosomes
chromosome count 11identified genes 131
Claim 16genome wide identificationsupports2023Source 1needs review

The Chimonanthus praecox bHLH gene family comprises 131 identified genes across 11 chromosomes.

identifying a total of 131 CpbHLH genes across 11 chromosomes
chromosome count 11identified genes 131
Claim 17genome wide identificationsupports2023Source 1needs review

The Chimonanthus praecox bHLH gene family comprises 131 identified genes across 11 chromosomes.

identifying a total of 131 CpbHLH genes across 11 chromosomes
chromosome count 11identified genes 131
Claim 18genome wide identificationsupports2023Source 1needs review

The Chimonanthus praecox bHLH gene family comprises 131 identified genes across 11 chromosomes.

identifying a total of 131 CpbHLH genes across 11 chromosomes
chromosome count 11identified genes 131
Claim 19genome wide identificationsupports2023Source 1needs review

The Chimonanthus praecox bHLH gene family comprises 131 identified genes across 11 chromosomes.

identifying a total of 131 CpbHLH genes across 11 chromosomes
chromosome count 11identified genes 131
Claim 20genome wide identificationsupports2023Source 1needs review

The Chimonanthus praecox bHLH gene family comprises 131 identified genes across 11 chromosomes.

identifying a total of 131 CpbHLH genes across 11 chromosomes
chromosome count 11identified genes 131
Claim 21genome wide identificationsupports2023Source 1needs review

The Chimonanthus praecox bHLH gene family comprises 131 identified genes across 11 chromosomes.

identifying a total of 131 CpbHLH genes across 11 chromosomes
chromosome count 11identified genes 131
Claim 22phylogenetic classificationsupports2023Source 1needs review

Phylogenetic analysis classified the CpbHLH genes into 23 subfamilies.

Phylogenetic analysis classified these CpbHLH genes into 23 subfamilies
subfamily count 23
Claim 23phylogenetic classificationsupports2023Source 1needs review

Phylogenetic analysis classified the CpbHLH genes into 23 subfamilies.

Phylogenetic analysis classified these CpbHLH genes into 23 subfamilies
subfamily count 23
Claim 24phylogenetic classificationsupports2023Source 1needs review

Phylogenetic analysis classified the CpbHLH genes into 23 subfamilies.

Phylogenetic analysis classified these CpbHLH genes into 23 subfamilies
subfamily count 23
Claim 25phylogenetic classificationsupports2023Source 1needs review

Phylogenetic analysis classified the CpbHLH genes into 23 subfamilies.

Phylogenetic analysis classified these CpbHLH genes into 23 subfamilies
subfamily count 23
Claim 26phylogenetic classificationsupports2023Source 1needs review

Phylogenetic analysis classified the CpbHLH genes into 23 subfamilies.

Phylogenetic analysis classified these CpbHLH genes into 23 subfamilies
subfamily count 23
Claim 27phylogenetic classificationsupports2023Source 1needs review

Phylogenetic analysis classified the CpbHLH genes into 23 subfamilies.

Phylogenetic analysis classified these CpbHLH genes into 23 subfamilies
subfamily count 23
Claim 28phylogenetic classificationsupports2023Source 1needs review

Phylogenetic analysis classified the CpbHLH genes into 23 subfamilies.

Phylogenetic analysis classified these CpbHLH genes into 23 subfamilies
subfamily count 23
Claim 29structural similarity within subfamiliessupports2023Source 1needs review

Most CpbHLH members within the same subfamily showed similar intron/exon patterns and motif composition.

most members within the same subfamily exhibited analogous intron/exon patterns and motif composition
Claim 30structural similarity within subfamiliessupports2023Source 1needs review

Most CpbHLH members within the same subfamily showed similar intron/exon patterns and motif composition.

most members within the same subfamily exhibited analogous intron/exon patterns and motif composition
Claim 31structural similarity within subfamiliessupports2023Source 1needs review

Most CpbHLH members within the same subfamily showed similar intron/exon patterns and motif composition.

most members within the same subfamily exhibited analogous intron/exon patterns and motif composition
Claim 32structural similarity within subfamiliessupports2023Source 1needs review

Most CpbHLH members within the same subfamily showed similar intron/exon patterns and motif composition.

most members within the same subfamily exhibited analogous intron/exon patterns and motif composition
Claim 33structural similarity within subfamiliessupports2023Source 1needs review

Most CpbHLH members within the same subfamily showed similar intron/exon patterns and motif composition.

most members within the same subfamily exhibited analogous intron/exon patterns and motif composition
Claim 34structural similarity within subfamiliessupports2023Source 1needs review

Most CpbHLH members within the same subfamily showed similar intron/exon patterns and motif composition.

most members within the same subfamily exhibited analogous intron/exon patterns and motif composition
Claim 35structural similarity within subfamiliessupports2023Source 1needs review

Most CpbHLH members within the same subfamily showed similar intron/exon patterns and motif composition.

most members within the same subfamily exhibited analogous intron/exon patterns and motif composition

Approval Evidence

1 source5 linked approval claimsfirst-pass slug basic-helix-loop-helix-transcription-factor-family-in-chimonanthus-praecox
we conducted a comprehensive genome-wide analysis of the C. praecox bHLH (CpbHLH) gene family

Source:

expression patternsupports

CpbHLH genes show diverse expression patterns across tissues and flower developmental stages in Wintersweet, suggesting involvement in diverse physiological processes.

Transcriptomic analysis revealed diverse expression patterns of CpbHLH genes in various tissues and distinct stages of Wintersweet flower development, thereby suggesting their involvement in a diverse array of physiological processes

Source:

gene family expansion mechanismsupports

Expansion of the CpbHLH gene family was primarily driven by segmental duplication, and duplicated gene pairs experienced purifying selection during evolution.

the expansion of the CpbHLH gene family was primarily driven by segmental duplication, with duplicated gene pairs experiencing purifying selection during evolution

Source:

genome wide identificationsupports

The Chimonanthus praecox bHLH gene family comprises 131 identified genes across 11 chromosomes.

identifying a total of 131 CpbHLH genes across 11 chromosomes

Source:

phylogenetic classificationsupports

Phylogenetic analysis classified the CpbHLH genes into 23 subfamilies.

Phylogenetic analysis classified these CpbHLH genes into 23 subfamilies

Source:

structural similarity within subfamiliessupports

Most CpbHLH members within the same subfamily showed similar intron/exon patterns and motif composition.

most members within the same subfamily exhibited analogous intron/exon patterns and motif composition

Source:

Comparisons

Source-backed strengths

The family was analyzed at genome scale, with 131 genes identified across 11 chromosomes. Expression profiling across tissues and flower developmental stages showed diverse patterns, supporting potential roles in multiple physiological processes. Evolutionary analysis further linked family expansion primarily to segmental duplication.

Ranked Citations

  1. 1.
    StructuralSource 1International Journal of Molecular Sciences2023Claim 1Claim 2Claim 3

    Extracted from this source document.