Biology Direct

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Did the last common ancestor have a biological membrane?

Gáspár Jékely

Biology Direct 2006, 1:35 doi:10.1186/1745-6150-1-35

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Evolution of vacuolar proton pyrophosphatase domains and volutin granules: clues into the early evolutionary origin of the acidocalcisome

Manfredo J Seufferheld, Kyung Kim, James Whitfield, Alejandro Valerio, Gustavo Caetano-Anollés Biology Direct 2011, 6:50 (5 October 2011)

The universality of volutin granules and presence of the vacuolar pyrophosphatase in the three superkingdoms of life reveals that the acidocalcisomes may have originated in the Last Universal Common Ancestor.

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On the origin of life in the Zinc world. 2. Validation of the hypothesis on the photosynthesizing zinc sulfide edifices as cradles of life on Earth

Armen Y Mulkidjanian, Michael Y Galperin Biology Direct 2009, 4:27 (24 August 2009)

The relatively high zinc content of living cells and its role as cofactor in many key enzymes and RNA structures might reflect the origin of life in zinc-rich environments.

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Temporal order of evolution of DNA replication systems inferred by comparison of cellular and viral DNA polymerases

Eugene V Koonin Biology Direct 2006, 1:39 (18 December 2006)