The origin and evolution of the ALOG proteins, members of a plant-specific transcription factor family, in land plants

Naramoto, Satoshi; Hata, Yuki; Kyozuka, Junko

doi:10.1007/s10265-020-01171-6

Cited by 22 publications

(24 citation statements)

References 13 publications

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“…Transcription factors function as regulatory elements of various plant processes, including growth, the stress response, and reproduction ( Yang et al, 2008 ; Lian et al, 2014 ; Zhao et al, 2014 ; Finet et al, 2016 ; Vasco et al, 2016 ; Feng et al, 2017 ; Wu et al, 2017 ; Naramoto et al, 2020 ). Due to the rich evolutionary history of plants, TF gene families tend to have more members and a higher degree of functional differentiation compared with structural protein-related coding genes ( Finet et al, 2016 ).…”

Section: Evolution Of Gene Families In Plantsmentioning

confidence: 99%

“…Its structure is progressively more complex in different species groups, in conjunction with a gradual increase in the number of gene family members, forming three branches (A, B, and C3) in angiosperms ( Feng et al, 2017 ). The family of ALOG genes, which regulate reproductive growth, originated in green algae and expanded significantly in angiosperms ( Naramoto et al, 2020 ). The YABBY and C3HDZ gene families, associated with leaf growth, have evolved in stages of biological evolution and their molecular structures have given rise to several major branches with different molecular classes exerting unique effects on leaf development ( Finet et al, 2016 ; Vasco et al, 2016 ).…”

Section: Evolution Of Gene Families In Plantsmentioning

confidence: 99%

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Plant protein-coding gene families: Their origin and evolution

et al. 2022

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Steady advances in genome sequencing methods have provided valuable insights into the evolutionary processes of several gene families in plants. At the core of plant biodiversity is an extensive genetic diversity with functional divergence and expansion of genes across gene families, representing unique phenomena. The evolution of gene families underpins the evolutionary history and development of plants and is the subject of this review. We discuss the implications of the molecular evolution of gene families in plants, as well as the potential contributions, challenges, and strategies associated with investigating phenotypic alterations to explain the origin of plants and their tolerance to environmental stresses.

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Section: Evolution Of Gene Families In Plantsmentioning

confidence: 99%

Section: Evolution Of Gene Families In Plantsmentioning

confidence: 99%

Plant protein-coding gene families: Their origin and evolution

et al. 2022

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“…Thus, the functions of ALOG family genes are probably common to both liverworts and angiosperms. PpLOS1 complemented the phenotype of the Mplos1 mutant (Naramoto et al 2020 ). Unlike M. polymorpha which has a thallus as its main vegetative body, P. patens has leafy shoots.…”

Section: Introductionmentioning

confidence: 99%

Fundamental mechanisms of the stem cell regulation in land plants: lesson from shoot apical cells in bryophytes

Hata

Kyozuka

2021

Plant Mol Biol

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Key message This review compares the molecular mechanisms of stem cell control in the shoot apical meristems of mosses and angiosperms and reveals the conserved features and evolution of plant stem cells. Abstract The establishment and maintenance of pluripotent stem cells in the shoot apical meristem (SAM) are key developmental processes in land plants including the most basal, bryophytes. Bryophytes, such as Physcomitrium (Physcomitrella) patens and Marchantia polymorpha, are emerging as attractive model species to study the conserved features and evolutionary processes in the mechanisms controlling stem cells. Recent studies using these model bryophyte species have started to uncover the similarities and differences in stem cell regulation between bryophytes and angiosperms. In this review, we summarize findings on stem cell function and its regulation focusing on different aspects including hormonal, genetic, and epigenetic control. Stem cell regulation through auxin, cytokinin, CLAVATA3/EMBRYO SURROUNDING REGION-RELATED (CLE) signaling and chromatin modification by Polycomb Repressive Complex 2 (PRC2) and PRC1 is well conserved. Several transcription factors crucial for SAM regulation in angiosperms are not involved in the regulation of the SAM in mosses, but similarities also exist. These findings provide insights into the evolutionary trajectory of the SAM and the fundamental mechanisms involved in stem cell regulation that are conserved across land plants.

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“…Studies in Arabidopsis and other nightshades (Solanaceae) have reported important roles of ALOG genes in floral organ specification, light signaling (Chen et al, 2019; Cho and Zambryski, 2011; Lei et al, 2019; Naramoto et al, 2019; Sato et al, 2014; Takeda et al, 2011; Yoshida et al, 2009, 2013; Zhao et al, 2004). In rice and wheat, several ALOG family members have been found to regulate lemma and hull specification, spikelet development, panicle branching and grain size (Nan et al, 2018; Naramoto et al, 2020). Notably, loss of Marchantia polymorpha LATERAL ORGAN SUPRESSOR 1 ( MpLOS1 ), a TMF ortholog in the liverwort, causes mis-specified identity of lateral organogenesis and defects in apical meristem maintenance, suggesting its essential role in convergent evolution of lateral organogenesis (Naramoto et al, 2019).…”

Section: Introductionmentioning

confidence: 99%

Transcriptional condensates formed by phase-separated ALOG family proteins control shoot meristem maturation for flowering

Huang

Xiao

Xie

et al. 2021

Preprint

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Plants have evolved remarkable diversity in inflorescence architecture. At the center of this diversity lies a meristem maturation program featured by transition of stem cell populations from a vegetative state into a reproductive growth, determining when, where, and how many flowers are produced on inflorescences. In this study, we identified a new meristem maturation regulator TMF FAMILY MEMBER3 (TFAM3) that encodes an ALOG family transcription factor. Loss of TFAM3 results in early flowering and simplified inflorescences with fewer flowers. Genetic analysis by creating high-order mutants of TFAM3 with three key regulators of tomato shoot meristem maturation, TERMINATING FLOWER (TMF),TMF FAMILY MEMBER1 (TFAM1) and TMF FAMILY MEMBER2 (TFAM2), suggested that they synergistically control flowering transition and inflorescence architecture. The four paralogous ALOG proteins share the prion-like properties and undergo liquid-liquid phase separation in vitro. Strikingly, TMF can recognize cognate TFAM proteins and selectively recruit them into phase separated condensates. Supporting this, they interact with themselves and each other to form biomolecular condensates in the nucleus of tomato cells. Their interaction induces formation of transcriptional condensates that directly repress expression of floral identity gene ANANTHA. Our study revealed a selective-recruitment phase separation mechanism for transcriptional condensation by which plants achieve optimal coordination of functional overlapped paralogs within a protein family to enable precise control of shoot apical meristem maturation for synchronization of flowering and production of compound inflorescences.

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The origin and evolution of the ALOG proteins, members of a plant-specific transcription factor family, in land plants

Cited by 22 publications

References 13 publications

Plant protein-coding gene families: Their origin and evolution

Plant protein-coding gene families: Their origin and evolution

Fundamental mechanisms of the stem cell regulation in land plants: lesson from shoot apical cells in bryophytes

Transcriptional condensates formed by phase-separated ALOG family proteins control shoot meristem maturation for flowering

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