Charophytes: Evolutionary Giants and Emerging Model Organisms

Domozych, David S.; Popper, Zoë A.; Sørensen, Iben

doi:10.3389/fpls.2016.01470

Cited by 49 publications

(32 citation statements)

References 99 publications

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“…As many plant GAPs are encoded by gene families that are taxonomically conserved, neo‐functionalization likely occurred early in the evolutionary history of green plants. An intriguing area for future study is the biology of GAPs in early diverging lineages of green plants, such as the charophycean green algae (Domozych et al ).…”

Section: Discussionmentioning

confidence: 99%

Plant glycosylphosphatidylinositol anchored proteins at the plasma membrane‐cell wall nexus

Yeats

Bacic

Johnson

2018

JIPB

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Approximately 1% of plant proteins are predicted to be post-translationally modified with a glycosylphosphatidylinositol (GPI) anchor that tethers the polypeptide to the outer leaflet of the plasma membrane. Whereas the synthesis and structure of GPI anchors is largely conserved across eukaryotes, the repertoire of functional domains present in the GPI-anchored proteome has diverged substantially. In plants, this includes a large fraction of the GPI-anchored proteome being further modified with plant-specific arabinogalactan (AG) O-glycans. The importance of the GPI-anchored proteome to plant development is underscored by the fact that GPI biosynthetic null mutants exhibit embryo lethality. Mutations in genes encoding specific GPI-anchored proteins (GAPs) further supports their contribution to diverse biological processes, occurring at the interface of the plasma membrane and cell wall, including signaling, cell wall metabolism, cell wall polymer cross-linking, and plasmodesmatal transport. Here, we review the literature concerning plant GPI-anchored proteins, in the context of their potential to act as molecular hubs that mediate interactions between the plasma membrane and the cell wall, and their potential to transduce the signal into the protoplast and, thereby, activate signal transduction pathways.

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Section: Discussionmentioning

confidence: 99%

Plant glycosylphosphatidylinositol anchored proteins at the plasma membrane‐cell wall nexus

Yeats

Bacic

Johnson

2018

JIPB

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“…In ancient times, charophytes dominated the submerged vegetation in shallow freshwater and probably many brackish water ecosystems. Since the angiosperms showed up on the "stage" around 200-250 million years ago (Morris et al 2018), however, interactions with these "newcomers" have been one of the most important issues in the life of the phylogenetically far older (Domozych et al 2016) charophytes.…”

Section: Nasty Neighbours and Fancy Friendsinteractions Between Charomentioning

confidence: 99%

Ecology of charophytes – permanent pioneers and ecosystem engineers

Schubert¹,

Blindow²,

Bueno³

et al. 2018

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For almost a century, charophytes have been regarded as a group that is confined to low-nutrient-clear water conditions. In light of recent research, this generalisation of the ecological niche dimensions of charophytes has changed and now includes more facets of ecological existence. In this review, the current knowledge with respect to species-specificity as well as temporal aspectsontogenetic and successional ones of the ecological requirements of charophytes are presented and discussed. This review identifies new directions for ecological research on charophytes as well as knowledge gaps to be filled, not just for reasons of academic curiosity, but also for applied purposes such as lake restoration, bioremediation and bioindication of water quality and water regime.

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“…Phylogenetic analysis has suggested that all land plants—from bryophytes to angiosperms—share a common aquatic plant ancestor, most likely an alga closely related to charophytes. [ 30 ] Throughout their evolution, plants have been involved in close interactions with microbes, and land plants are believed to have arisen as a result of an ancient symbiosis between an alga and an aquatic fungus. [ 31 ] The first land plant to emerge is considered to have been a liverwort‐like species.…”

Section: How Have Flavonoid Functions Evolved In Land Plants?mentioning

confidence: 99%

Managing enzyme promiscuity in plant specialized metabolism: A lesson from flavonoid biosynthesis

2020

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Specificities of enzymes involved in plant specialized metabolism, including flavonoid biosynthesis, are generally promiscuous. This enzyme promiscuity has served as an evolutionary basis for new enzyme functions and metabolic pathways in land plants adapting to environmental challenges. This phenomenon may lead, however, to inefficiency in specialized metabolism and adversely affect metabolite‐mediated plant survival. How plants manage enzyme promiscuity for efficient specialized metabolism is, thus, an open question. Recent studies of flavonoid biosynthesis addressing this issue have revealed a conserved strategy, namely, a homolog of chalcone isomerase with no catalytic activity binds to chalcone synthase, a key flavonoid pathway enzyme, to narrow (or rectify) the enzyme's highly promiscuous product specificity. Reducing promiscuity via specific protein–protein interactions among metabolic enzymes and proteins may be a solution adopted by land plants to achieve efficient operation of specialized metabolism, while the intrinsic promiscuity of enzymes has likely been retained incidentally.

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Charophytes: Evolutionary Giants and Emerging Model Organisms

Cited by 49 publications

References 99 publications

Plant glycosylphosphatidylinositol anchored proteins at the plasma membrane‐cell wall nexus

Plant glycosylphosphatidylinositol anchored proteins at the plasma membrane‐cell wall nexus

Ecology of charophytes – permanent pioneers and ecosystem engineers

Managing enzyme promiscuity in plant specialized metabolism: A lesson from flavonoid biosynthesis

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