Planctomycetes Are Important for Theories of the Origin of Eukaryotes and Their Nuclei Why are planctomycetes important for understanding evolution of eukaryotes? There are two major types of ...

Research from the University of Jena reveals that certain prokaryotes, specifically planctomycetes, can consume other cells, contradicting previous beliefs that only eukaryotes could perform ...

A recent study suggests that by the Neoproterozoic period, distinct lineages of amoebae, as well as the ancestors of plants, ...

Scientists are currently debating the events leading to the appearance of plastids in eukaryotic cells. Where did plastids originate? Their origin is explained by endosymbiosis, the act of a ...

The origin of eukaryotes is considered one of the greatest enigmas in biology: according to current doctrine, two prokaryotes ...

在40多亿年前的地球早期，由于受到小行星或微行星的撞击，可能形成了短暂的还原性大气层，大气被富含甲烷和有机物的防紫外线烟雾染成橙色，与土卫六的大气相似。高浓度的溶解铁可能使海洋呈现出绿色（冥古宙海洋的空间范围和持续时间尚不清楚，但其 ...

Fossil evidence of how the earliest life on Earth came to be is hard to come by. But scientists have come up with a few ...

All viewers of this document can see this public note. This is the most explicit and concise description and definition of natural selection in On the Origin of Species. Darwin’s view here is ...

"Such organisms have the potential to challenge our understanding of nature. For example, the origin of eukaryotes remains enigmatic, with a contentious debate surrounding both the mitochondrial ...

ABOVE: Researchers have identified a nitrogen-fixing organelle known as a nitroplast. Here, it is seen at the opposite end of ...

We look at three fascinating and under-sampled groups: the excavates, the microsporidians (both eukaryotes), and the Thaumarchaeota. We are investigating the earliest events in the history of life ...