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Comparative analysis of plastid genomes in the non-photosynthetic genus Thismia reveals ongoing gene set reduction

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00027006%3A_____%2F21%3A10174567" target="_blank" >RIV/00027006:_____/21:10174567 - isvavai.cz</a>

  • Alternative codes found

    RIV/61989592:15310/21:73608182

  • Result on the web

    <a href="https://www.frontiersin.org/articles/10.3389/fpls.2021.602598/pdf" target="_blank" >https://www.frontiersin.org/articles/10.3389/fpls.2021.602598/pdf</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.3389/fpls.2021.602598" target="_blank" >10.3389/fpls.2021.602598</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Comparative analysis of plastid genomes in the non-photosynthetic genus Thismia reveals ongoing gene set reduction

  • Original language description

    Heterotrophic plants provide intriguing examples of reductive evolution. This is especially evident in the reduction of their plastid genomes, which can potentially proceed toward complete genome loss. Several milestones at the beginning of this path of degradation have been described; however, little is known about the latest stages of plastome reduction. Here we analyze a diversity of plastid genomes in a set of closely related non-photosynthetic plants. We demonstrate how a gradual loss of genes shapes the miniaturized plastomes of these plants. The subject of our study, the genus Thismia, represents the mycoheterotrophic monocot family Thismiaceae, a group that may have experienced a very ancient (60-80 mya) transition to heterotrophy. In all 18 species examined, the plastome is reduced to 14-18 kb and is highly AT-biased. The most complete observed gene set includes accD, seven ribosomal protein genes, three rRNA, and two tRNA genes. Different clades of Thismia have undergone further gene loss (complete absence or pseudogenization) compared to this set: in particular, we report two independent losses of rps2 and rps18.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    40106 - Agronomy, plant breeding and plant protection; (Agricultural biotechnology to be 4.4)

Result continuities

  • Project

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2021

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Frontiers in Plant Science

  • ISSN

    1664-462X

  • e-ISSN

  • Volume of the periodical

    12

  • Issue of the periodical within the volume

    MAR 16 2021

  • Country of publishing house

    CH - SWITZERLAND

  • Number of pages

    13

  • Pages from-to

    602598

  • UT code for WoS article

    000634889800001

  • EID of the result in the Scopus database

    2-s2.0-85103489425