A Bryophyte Transcription Factor Landscape Reveals Lineage-Specific Zinc-Finger Protein Evolution and Differential Stress Mobilization Between Mosses and Liverworts.

Xiangxi He, Fengjun Leng, Shuyi Yan, Yong Hu, Yikun He

Abstract read

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Article in Plants (Basel, Switzerland), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

5 authors.

Xiangxi HeKey Laboratory of Plant Gene Resources and Biotechnology for Carbon Reduction and Environmental Improvement, Beijing Municipal Government, College of Life Sciences, Capital Normal University, Beijing 100048, China.

Fengjun LengKey Laboratory of Plant Gene Resources and Biotechnology for Carbon Reduction and Environmental Improvement, Beijing Municipal Government, College of Life Sciences, Capital Normal University, Beijing 100048, China.ORCID 0009-0007-2326-9079

Shuyi YanKey Laboratory of Plant Gene Resources and Biotechnology for Carbon Reduction and Environmental Improvement, Beijing Municipal Government, College of Life Sciences, Capital Normal University, Beijing 100048, China.

Yong HuKey Laboratory of Plant Gene Resources and Biotechnology for Carbon Reduction and Environmental Improvement, Beijing Municipal Government, College of Life Sciences, Capital Normal University, Beijing 100048, China.ORCID 0009-0003-7665-3542

Yikun HeKey Laboratory of Plant Gene Resources and Biotechnology for Carbon Reduction and Environmental Improvement, Beijing Municipal Government, College of Life Sciences, Capital Normal University, Beijing 100048, China.

Funding

National Natural Science Foundation of China 30971558National Natural Science Foundation of China 32570381National Natural Science Foundation of China 91631109

6 · The paper itself

Abstract

Bryophytes possess a gene family repertoire substantially larger than vascular plants, yet the functional evolution of their transcription factors remains poorly understood. We conducted a nested analysis across 144 bryophyte genomes, cataloging 58 transcription factor families and deeply characterizing the C2H2 zinc-finger protein family. We identified 8246 C2H2 zinc-finger genes classified into four structural types based on zinc-finger architecture. Domain-level scanning of 11,565 zinc fingers revised Z-type frequency from ~20% to 4.2%. The plant-specific Q-type was most prevalent in mosses and least prevalent in liverworts, with the major Q-type radiation occurring in seed plants. C2H2 zinc-finger gene expansion in mosses was driven by whole-genome duplication, and gene count correlated with genome size. Through re-analysis of publicly available RNA-seq datasets, cross-species expression profiling showed that mosses mobilized 23-28% of their C2H2 zinc-finger repertoires under dehydration, whereas the liverwort

Indexed as

bryophyteC2H2 zinc-finger proteincomparative genomicsdesiccation toleranceland plant terrestrializationosmotic stresstranscription factor evolution

Identifiers

PMID42654854

DOI10.3390/plants15162452

PMCPMC13516842

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.