Evidence map›Paper›PMID 24854168›Full record

ArticleAnnals of botany2014

MADS goes genomic in conifers: towards determining the ancestral set of MADS-box genes in seed plants.

Lydia Gramzow, Lisa Weilandt, Günter Theißen

Open access · bronzeAbstract read
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Article in Annals of botany, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 55 papers.

0numbers the graph read from it
0cells of the map it votes in
55citing papers in PubMed
13.5field-weighted citation impact, top 1% of its field
1 · What the graph read from it

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3 · Its place in the literature

Who cites it

55 citing papers in PubMed, 160 citations in OpenAlex.

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4 · The record

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5 · Who and what money

Authors and funding

3 authors at 1 institution in 1 country.

Lydia GramzowDepartment of Genetics, Friedrich Schiller University Jena, Philosophenweg 12, 07743 Jena, Germany.
Lisa WeilandtDepartment of Genetics, Friedrich Schiller University Jena, Philosophenweg 12, 07743 Jena, Germany.
Günter TheißenDepartment of Genetics, Friedrich Schiller University Jena, Philosophenweg 12, 07743 Jena, Germany guenter.theissen@uni-jena.de.
Friedrich Schiller University Jena · DE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

BACKGROUND AND

aimsMADS-box genes comprise a gene family coding for transcription factors. This gene family expanded greatly during land plant evolution such that the number of MADS-box genes ranges from one or two in green algae to around 100 in angiosperms. Given the crucial functions of MADS-box genes for nearly all aspects of plant development, the expansion of this gene family probably contributed to the increasing complexity of plants. However, the expansion of MADS-box genes during one important step of land plant evolution, namely the origin of seed plants, remains poorly understood due to the previous lack of whole-genome data for gymnosperms.

methodsThe newly available genome sequences of Picea abies, Picea glauca and Pinus taeda were used to identify the complete set of MADS-box genes in these conifers. In addition, MADS-box genes were identified in the growing number of transcriptomes available for gymnosperms. With these datasets, phylogenies were constructed to determine the ancestral set of MADS-box genes of seed plants and to infer the ancestral functions of these genes. KEY

resultsType I MADS-box genes are under-represented in gymnosperms and only a minimum of two Type I MADS-box genes have been present in the most recent common ancestor (MRCA) of seed plants. In contrast, a large number of Type II MADS-box genes were found in gymnosperms. The MRCA of extant seed plants probably possessed at least 11-14 Type II MADS-box genes. In gymnosperms two duplications of Type II MADS-box genes were found, such that the MRCA of extant gymnosperms had at least 14-16 Type II MADS-box genes.

conclusionsThe implied ancestral set of MADS-box genes for seed plants shows simplicity for Type I MADS-box genes and remarkable complexity for Type II MADS-box genes in terms of phylogeny and putative functions. The analysis of transcriptome data reveals that gymnosperm MADS-box genes are expressed in a great variety of tissues, indicating diverse roles of MADS-box genes for the development of gymnosperms. This study is the first that provides a comprehensive overview of MADS-box genes in conifers and thus will provide a framework for future work on MADS-box genes in seed plants.

Indexed as

Evolution, MolecularGenomicsAmino Acid SequenceChromosome MappingCycadopsidaGene Expression Regulation, PlantGenome, PlantMADS Domain ProteinsMolecular Sequence DataPhylogenyPiceaPinus taedaPlant ProteinsSeedsSequence AlignmentTracheophytaMADS Domain ProteinsPlant Proteinsancestral gene setconiferflower developmentgymnospermMADS-box genemost recent common ancestorMRCAPiceapinePinusseed plantspruce

Identifiers

PMID24854168
PMCPMC4204780
OpenAlexW2323535890

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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.