Článek dedikovaný Janu Sudovi je jakýmsi shrnutím dvou dekád výzkumu částečné endoreplikace u orchidejí, který Honza odstartoval krátkým odstavcem ve své disertaci z roku 2004, kde poukazoval na cosi divného, co se objevuje v cytometrických analýzách orchidejí. Postupem času se ukázalo, že jde o vysoce organizovaný buněčný proces, při kterém se nezdvojuje celý genom, ale jen jeho část.

K dalšímu čtení v Živě

Co se skrývá za rostlinnou průtokovou cytometrií (2005, 1)

Mizející vstavač trojzubý (2008, 4)

Apostasioideae – nejtajemnější podčeleď orchidejí (2013, 3)

Použitá literatura

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HŘIBOVÁ, Eva, et al. The enigma of progressively partial endoreplication: new insights provided by flow cytometry and next-generation sequencing. Genome Biology and Evolution, 2016, 8.6: 1996-2005.

CHUMOVÁ, Zuzana, et al. Repeat proliferation and partial endoreplication jointly shape the patterns of genome size evolution in orchids. The Plant Journal, 2021, 107.2: 511-524.

JOUBÈS, Jérôme; CHEVALIER, Christian. Endoreduplication in higher plants. Plant Molecular Biology 2000, 43: 735–745.

LEE, Hyun O.; DAVIDSON, Jean M.; DURONIO, Robert J. Endoreplication: polyploidy with purpose. Genes & development, 2009, 23.21: 2461-2477.

PIET, Quentin, et al. A chromosome-level, haplotype-phased Vanilla planifolia genome highlights the challenge of partial endoreplication for accurate whole-genome assembly. Plant Communications, 2022, 3.5.

SHIMOTOHNO, Akie, et al. Regulation of the plant cell cycle in response to hormones and the environment. Annual review of plant biology, 2021, 72.1: 273-296.

SCHOLES, Daniel R.; PAIGE, Ken N. Plasticity in ploidy: a generalized response to stress. Trends in Plant Science, 2015, 20.3: 165-175.

SUGIMOTO-SHIRASU, Keiko; ROBERTS, Keith. “Big it up”: endoreduplication and cell-size control in plants. Current opinion in plant biology, 2003, 6.6: 544-553.

TRÁVNÍČEK, Pavel, et al. Diversity in genome size and GC content shows adaptive potential in orchids and is closely linked to partial endoreplication, plant life‐history traits and climatic conditions. New Phytologist, 2019, 224.4: 1642-1656.

TRÁVNÍČEK, Pavel, et al. Integrative study of genotypic and phenotypic diversity in the Eurasian orchid genus Neotinea. Frontiers in Plant Science, 2021, 12: 734240.

TRÁVNÍČEK, Pavel, et al. Challenges of flow‐cytometric estimation of nuclear genome size in orchids, a plant group with both whole‐genome and progressively partial endoreplication. Cytometry Part A, 2015, 87.10: 958-966.

WOS, Guillaume, et al. Ploidy and local environment drive intraspecific variation in endoreduplication in Arabidopsis arenosa. American Journal of Botany, 2022, 109.2: 259-271.

ZENG, Zhanghui, et al. Endopolyploidy levels in barley vary in different root types and significantly decrease under phosphorus deficiency. Plant Physiology and Biochemistry, 2017, 118: 11-21.

This paper dedicated to Jan Suda is a summary of two decades of research on partial endoreplication in orchids, which he started with a short section in his dissertation from 2004, where he pointed out something strange that appears in the cytometric results of orchids. Over time, it has become evident that this is a highly organized cellular process, wherein only a portion of the genome undergoes duplication, rather than the entire genome.