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Carnivorous PlantsPhysiology, ecology, and evolution$
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Aaron Ellison and Lubomír Adamec

Print publication date: 2017

Print ISBN-13: 9780198779841

Published to Oxford Scholarship Online: February 2018

DOI: 10.1093/oso/9780198779841.001.0001

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PRINTED FROM OXFORD SCHOLARSHIP ONLINE (oxford.universitypressscholarship.com). (c) Copyright Oxford University Press, 2022. All Rights Reserved. An individual user may print out a PDF of a single chapter of a monograph in OSO for personal use.date: 17 May 2022

Carnivorous plant genomes

Carnivorous plant genomes

Chapter:
(p.135) Chapter 11 Carnivorous plant genomes
Source:
Carnivorous Plants
Author(s):

Tanya Renner

Tianying Lan

Kimberly M. Farr

Enrique Ibarra-Laclette

Luis Herrera-Estrella

Stephan C. Schuster

Mitsuyasu Hasebe

Kenji Fukushima

Victor A. Albert

Publisher:
Oxford University Press
DOI:10.1093/oso/9780198779841.003.0011

Carnivorous plant genome research has focused on members of the Lamiales and Oxalidales; the most complete sequences are for Utricularia gibba and Cephalotus follicularis. The size-limited U. gibba genome highlights the importance of small-scale tandem duplications, which likely play roles in this species’ carnivorous adaptation. Sequencing of the C. follicularis genome detected adaptive changes that may explain the evolution of traits associated with attraction, trapping, digestion, and absorption. Functional consequences of genes putatively missing in the U. gibba genome, yet present in other angiosperms, may have influenced the evolution of polyploidy, physiology, and a rootless Bauplan. Additional draft nuclear genomes and transcriptomes are available for carnivorous Caryophyllales, Ericales, Lamiales, and Poales, but are limited in quantity and quality. Chloroplast genomes of carnivorous Lentibulariaceae have revealed interesting patterns of gene loss, alterations in the proportion of repeat DNA, and plastome-wide increases in substitution rates.

Keywords:   Centromere, chloroplast, convergence, gene loss, mutation rates, tandem duplication, transposable elements, transcriptome, whole genome duplication

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