ArticleMicrobial ecology2021
The Overlooked Genetic Diversity in the Dryland Soil Surface-Dwelling Cyanobacterium Nostoc flagelliforme as Revealed by the Marker Gene wspA.
Article in Microbial ecology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Molecular Mechanisms ofPlants (Basel, Switzerland) · 2025Review
- Metabolites Facilitating Adaptation of Desert Cyanobacteria to Extremely Arid Environments.Plants (Basel, Switzerland) · 2022Review
- Characterization of two β-galactosidases LacZ and WspA1 from Nostoc flagelliforme with focus on the latter's central active region.Scientific reports · 2021Article
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Authors and funding
3 authors.
Funding
Abstract
Biodiversity is recognized to be relatively low in the dryland ecosystem. However, we might overlook the accumulating genetic variation in those dryland micro-populations, which should eventually increase the dryland biodiversity. In the xeric steppes of western and northwestern China, there are two soil surface-dwelling and genetically close cyanobacterial species, Nostoc commune and Nostoc flagelliforme. They respectively exhibit lamellate and filamentous colony shapes. Their individual colony is consisted of hundreds of trichomes and the common exopolysaccharide matrix. N. flagelliforme is exclusively distributed in the dryland and supposed to be evolved from N. commune. We previously reported that the morphological diversity of N. flagelliforme colonies was very limited, being either cylindrical or strip-like. In this communication, we performed single-nucleotide polymorphism (SNP) analysis of the marker gene wspA as well as phylogenetic analysis of the WspA protein in N. flagelliforme colonies to gain insights into its genetic diversity. SNP analysis suggested that there existed plentiful nucleotide variations in the individual colonies and meanwhile these variations shared certain evolutionary regularity. Phylogenetic analysis of the deduced proteins from the cloned wspA sequences suggested that the relatively regular variations were possibly dispersed in the N. flagelliforme populations of different regions. Thus, these results presented a scenario of the underestimated genetic diversity hidden behind the limited morphotype of dryland cyanobacteria. Maybe, we can consider the individual cyanobacterial colony as a potential biodiversity pool in the drylands.
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