Genome size of chrysophytes varies with cell size and nutritional mode
Genome size of chrysophytes varies with cell size and nutritional mode
复制标题
金藻植物的基因组大小随细胞大小和营养模式而变化
DOI:
10.1007/s13127-018-0365-7
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发表时间:
2018
影响因子:
1.6
通讯作者:
Boenigk J
中科院分区:
文献类型:
--
作者:
Olefeld JL;Majda S;Albach DC;Marks S;Boenigk J
The cellular content of nuclear DNA varies up to 200,000-fold between eukaryotes. These differences can arise via different mechanisms. In particular, cell size and nutritional mode may influence evolution of the nuclear DNA content. Chrysophytes comprise organisms with different cell organizations and nutritional modes. Heterotrophic clades evolved independently several times from phototrophic or mixotrophic ancestors. Thus, chrysophytes are an ideal model taxon for investigating the effect of the nutritional mode on cellular DNA content. We investigated the genome size of heterotrophic, mixotrophic, and phototrophic chrysophytes. We demonstrate that cell sizes and genome sizes differ significantly between taxa with different nutritional modes. Phototrophic strains tend to have larger cell volumes and larger genomes than heterotrophic strains do. The investigated mixotrophic strains had intermediate cell volumes and small to intermediate genome sizes. Heterotrophic chrysophytes had the smallest genomes and cell volumes compared to other chrysophytes. In general, genome size increased with cell volume, but cell volume only partially explained the variation in genome size. In particular, genome sizes of mixotrophic strains were smaller than expected based on cell sizes.
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影响因子:
2.1
作者:
C. D. Sandgren
通讯作者:
C. D. Sandgren
影响因子:
4.2
作者:
Dolezel, J;Greilhuber, J;Obermayer, R
通讯作者:
Obermayer, R
影响因子:
4.5
作者:
NYGAARD, K;TOBIESEN, A
通讯作者:
TOBIESEN, A
影响因子:
--
作者:
Manohar Pr
通讯作者:
Manohar Pr
DOI:
--
发表时间:
--
期刊:
影响因子:
--
作者:
Fritz Steinecke
通讯作者:
Fritz Steinecke