AI Article Synopsis
- Bacteria existed as the only life forms on Earth for about two billion years, evolving into a complex global superorganism.
- They developed advanced methods for creating and exchanging genetic material, which is significant for understanding antibiotic resistance in harmful bacteria like tuberculosis.
- Eukaryotes, which have nucleated cells, likely originated from a long-term partnership between several prokaryotic organisms.
Article Abstract
Bacteria (prokaryotes) were the sole form of life on earth for some two billion years--roughly half its history. During this time they evolved into a giant, global superorganism and developed a remarkable mechanism for the creation and exchange of genetic material. Apart from its intrinsic interest, this has practical significance, for example in the development of multiple resistance to antibiotics of pathogenic bacteria such as those of tuberculosis. Eukaryotes, with nucleated cells, may have developed from a permanent symbiosis of three or more prokaryotes.
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| http://dx.doi.org/10.1016/0160-9327(95)97496-u | DOI Listing |
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