Dataset Information

Characterization of the complete chloroplast genome of sugar maple (Acer saccharum).

ABSTRACT: Acer saccharum is one ecologically and economically important tree species cultivated widely across the world. In this study we generated the complete chloroplast (cp) genome of A. saccharum via genome-skimming method. The assembled genome is 155,684 base-pairs (bp) in size, with one large single copy region of 85,393 bp and one small single copy region of 18,033 bp separated by two inverted repeats of 26,129 bp. The genome contains a total of 133 genes, including 85 protein-coding genes, 8 rRNAs and 40 tRNAs. Furthermore, phylogenomic estimation strongly supported A. saccharum as a distinct lineage within the monophyletic Acer.

SUBMITTER: Deng X

PROVIDER: S-EPMC7720981 | biostudies-literature | 2019 Dec

REPOSITORIES: biostudies-literature

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Characterization of the complete chloroplast genome of sugar maple (Acer saccharum).

Deng Xin X Jiang Zhenxing Z Huang Jianchang J Zhang Xianzhi X

Mitochondrial DNA. Part B, Resources 20191209 1

Acer saccharum is one ecologically and economically important tree species cultivated widely across the world. In this study we generated the complete chloroplast (cp) genome of A. saccharum via genome-skimming method. The assembled genome is 155,684 base-pairs (bp) in size, with one large single copy region of 85,393 bp and one small single copy region of 18,033 bp separated by two inverted repeats of 26,129 bp. The genome contains a total of 133 genes, including 85 protein-coding ...[more]

PMID: 33366403

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Project description:BackgroundBacteria, archaea, viruses and fungi live in various plant compartments including leaves and roots. These plant-associated microbial communities have many effects on host fitness and function. Global climate change is impacting plant species distributions, a phenomenon that will affect plant-microbe interactions both directly and indirectly. In order to predict plant responses to global climate change, it will be crucial to improve our understanding of plant-microbe interactions within and at the edge of plant species natural ranges. While microbes affect their hosts, in turn the plant's attributes and the surrounding environment drive the structure and assembly of the microbial communities themselves. However, the patterns and dynamics of these interactions and their causes are poorly understood.MethodsIn this study, we quantified the microbial communities of the leaves and roots of seedlings of the deciduous tree species sugar maple (Acer saccharum Marshall) within its natural range and at the species' elevational range limit at Mont-Mégantic, Quebec. Using high-throughput DNA sequencing, we quantified the bacterial and fungal community structure in four plant compartments: the epiphytes and endophytes of leaves and roots. We also quantified endophytic fungal communities in roots.ResultsThe bacterial and fungal communities of A. saccharum seedlings differ across elevational range limits for all four plant compartments. Distinct microbial communities colonize each compartment, although the microbial communities inside a plant's structure (endophytes) were found to be a subset of the communities found outside the plant's structure (epiphytes). Plant-associated bacterial communities were dominated by the phyla Proteobacteria, Acidobacteria, Actinobacteria and Bacteroidetes while the main fungal taxa present were Ascomycota.DiscussionWe demonstrate that microbial communities associated with sugar maple seedlings at the edge of the species' elevational range differ from those within the natural range. Variation in microbial communities differed among plant components, suggesting the importance of each compartment's exposure to changes in biotic and abiotic conditions in determining variability in community structure. These findings provide a greater understanding of the ecological processes driving the structure and diversity of plant-associated microbial communities within and at the edge of a plant species range, and suggest the potential for biotic interactions between plants and their associated microbiota to influence the dynamics of plant range edge boundaries and responses to global change.

Dataset Information

Characterization of the complete chloroplast genome of sugar maple (Acer saccharum).

Publications

Characterization of the complete chloroplast genome of sugar maple (<i>Acer saccharum</i>).

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