ArticleBMC plant biology2011
Transcriptional analysis of cell growth and morphogenesis in the unicellular green alga Micrasterias (Streptophyta), with emphasis on the role of expansin.
Article in BMC plant biology, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.
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21 citing papers in PubMed, 40 citations in OpenAlex.
- Evolution of the expansin superfamily in bryophytes and green algae.Protoplasma · 2026Article
- Heavy-ion beam-induced mutants of Medakamo hakoo indicate potential associations between photosynthesis and cell size, cell cycle, and cell wall morphology.Journal of plant research · 2026Article
- Origin and evolution of auxin-mediated acid growth.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- The extracellular matrix of green algae.Plant physiology · 2023Review
- The cell biology of charophytes: Exploring the past and models for the future.Plant physiology · 2022Article
- Complex Molecular Evolution and Expression of Expansin Gene Families in Three Basic Diploid Species ofInternational journal of molecular sciences · 2020Article
- Metatranscriptomic and metabolite profiling reveals vertical heterogeneity within a Zygnema green algal mat from Svalbard (High Arctic).Environmental microbiology · 2019Article
- Darkness-induced effects on gene expression in Cosmarium crenatum (Zygnematophyceae) from a polar habitat.Scientific reports · 2019Article
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- Asymmetry and integration of cellular morphology in Micrasterias compereana.BMC evolutionary biology · 2017Article
- Utility of the Amborella trichopoda expansin superfamily in elucidating the history of angiosperm expansins.Journal of plant research · 2016Article
- Micrasterias as a Model System in Plant Cell Biology.Frontiers in plant science · 2016Review
- Charophytes: Evolutionary Giants and Emerging Model Organisms.Frontiers in plant science · 2016Review
- Localization and Quantification of Callose in the Streptophyte Green Algae Zygnema and Klebsormidium: Correlation with Desiccation Tolerance.Plant & cell physiology · 2015Article
- Plant expansins: diversity and interactions with plant cell walls.Current opinion in plant biology · 2015Review
- Green algae and the origins of multicellularity in the plant kingdom.Cold Spring Harbor perspectives in biology · 2014Review
- A workflow for large-scale empirical identification of cell wall N-linked glycoproteins of tomato (Solanum lycopersicum) fruit by tandem mass spectrometry.Electrophoresis · 2013Article
- Polar Expansion Dynamics in the Plant Kingdom: A Diverse and Multifunctional Journey on the Path to Pollen Tubes.Plants (Basel, Switzerland) · 2013Review
- Selaginella moellendorffii has a reduced and highly conserved expansin superfamily with genes more closely related to angiosperms than to bryophytes.BMC plant biology · 2013Article
Corrections and comments
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Authors and funding
12 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundStreptophyte green algae share several characteristics of cell growth and cell wall formation with their relatives, the embryophytic land plants. The multilobed cell wall of Micrasterias denticulata that rebuilds symmetrically after cell division and consists of pectin and cellulose, makes this unicellular streptophyte alga an interesting model system to study the molecular controls on cell shape and cell wall formation in green plants.
resultsGenome-wide transcript expression profiling of synchronously growing cells identified 107 genes of which the expression correlated with the growth phase. Four transcripts showed high similarity to expansins that had not been examined previously in green algae. Phylogenetic analysis suggests that these genes are most closely related to the plant EXPANSIN A family, although their domain organization is very divergent. A GFP-tagged version of the expansin-resembling protein MdEXP2 localized to the cell wall and in Golgi-derived vesicles. Overexpression phenotypes ranged from lobe elongation to loss of growth polarity and planarity. These results indicate that MdEXP2 can alter the cell wall structure and, thus, might have a function related to that of land plant expansins during cell morphogenesis.
conclusionsOur study demonstrates the potential of M. denticulata as a unicellular model system, in which cell growth mechanisms have been discovered similar to those in land plants. Additionally, evidence is provided that the evolutionary origins of many cell wall components and regulatory genes in embryophytes precede the colonization of land.
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