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Underwater CAM photosynthesis elucidated by Isoetes genome

Wickell, David ; Kuo, Li-Yaung ; Yang, Hsiao-Pei ; Dhabalia Ashok, Amra ; Irisarri, Iker ; Dadras, Armin ; de Vries, Sophie ; de Vries, Jan ; Huang, Yao-Moan ; Li, Zheng ; Barker, Michael S ; Hartwick, Nolan T ; Michael, Todd P ; Li, Fay-Wei

Nature communications, 2021-11, Vol.12 (1), p.6348-6348, Article 6348 [Peer Reviewed Journal]

England: Nature Publishing Group

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Title:
Underwater CAM photosynthesis elucidated by Isoetes genome
Author: Wickell, David ; Kuo, Li-Yaung ; Yang, Hsiao-Pei ; Dhabalia Ashok, Amra ; Irisarri, Iker ; Dadras, Armin ; de Vries, Sophie ; de Vries, Jan ; Huang, Yao-Moan ; Li, Zheng ; Barker, Michael S ; Hartwick, Nolan T ; Michael, Todd P ; Li, Fay-Wei
Subjects: Angiosperms ; Aquatic plants ; Arid environments ; Aridity ; Carbon dioxide ; Carbon Dioxide - metabolism ; Carboxylation ; Circadian rhythms ; Crassulacean acid metabolism ; Crassulacean Acid Metabolism - genetics ; Crassulacean Acid Metabolism - physiology ; Evolution ; Evolution, Molecular ; Flowering ; Gene Expression ; Genetic factors ; Genome ; Genome Size ; Genomes ; Isoetes ; Lignin - biosynthesis ; Magnoliopsida ; Metabolism ; Photosynthesis ; Photosynthesis - physiology ; Plants - metabolism ; Taiwan ; Terrestrial environments ; Tracheophyta - genetics ; Tracheophyta - metabolism ; Underwater ; Water ; Water conservation ; Whole Genome Sequencing
Is Part Of: Nature communications, 2021-11, Vol.12 (1), p.6348-6348, Article 6348
Notes: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
Description: To conserve water in arid environments, numerous plant lineages have independently evolved Crassulacean Acid Metabolism (CAM). Interestingly, Isoetes, an aquatic lycophyte, can also perform CAM as an adaptation to low CO availability underwater. However, little is known about the evolution of CAM in aquatic plants and the lack of genomic data has hindered comparison between aquatic and terrestrial CAM. Here, we investigate underwater CAM in Isoetes taiwanensis by generating a high-quality genome assembly and RNA-seq time course. Despite broad similarities between CAM in Isoetes and terrestrial angiosperms, we identify several key differences. Notably, Isoetes may have recruited the lesser-known 'bacterial-type' PEPC, along with the 'plant-type' exclusively used in other CAM and C4 plants for carboxylation of PEP. Furthermore, we find that circadian control of key CAM pathway genes has diverged considerably in Isoetes relative to flowering plants. This suggests the existence of more evolutionary paths to CAM than previously recognized.
Publisher: England: Nature Publishing Group
Language: English

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Underwater CAM photosynthesis elucidated by Isoetes genome

Wickell, David ; Kuo, Li-Yaung ; Yang, Hsiao-Pei ; Dhabalia Ashok, Amra ; Irisarri, Iker ; Dadras, Armin ; de Vries, Sophie ; de Vries, Jan ; Huang, Yao-Moan ; Li, Zheng ; Barker, Michael S ; Hartwick, Nolan T ; Michael, Todd P ; Li, Fay-Wei

England: Nature Publishing Group

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