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Unexpected diversity of small eukaryotes in deep-sea Antarctic plankton
- P. López‐García, F. Rodríguez-Valera, C. Pedrós-Alió, D. Moreira
- Biology, MedicineNature
- 1 February 2001
Using ribosomal RNA genes from marine picoplankton, several new groups of bacteria and archaea have been identified, some of which are abundant and related to dinoflagellates that are found at all studied depths and suggest a radiation early in the evolution of alveolates.
Global dispersal and ancient cryptic species in the smallest marine eukaryotes.
It is illustrated that global dispersal of a picoeukaryote is possible in oceans, but this does not imply a reduced species number and it is shown that the morphospecies concept is untenable because it overlooks a large genetic and species diversity and may lead to incorrect biological assumptions.
Metagenomics of the Deep Mediterranean, a Warm Bathypelagic Habitat
- A. Martín-Cuadrado, P. López‐García, +5 authors F. Rodríguez-Valera
- Biology, MedicinePloS one
- 19 September 2007
The comparison of metagenomic libraries from the deep Mediterranean and the Pacific ALOHA water column showed that bathypelagic Mediterranean communities resemble more mesopelagic communities in the Pacific, and suggests that, in the absence of light, temperature is a major stratifying factor in the oceanic water column, overriding pressure at least over 4000 m deep.
Autochthonous eukaryotic diversity in hydrothermal sediment and experimental microcolonizers at the Mid-Atlantic Ridge
- P. López‐García, H. Philippe, Françoise Gail, D. Moreira
- Biology, MedicineProceedings of the National Academy of Sciences…
- 9 January 2003
A molecular survey based on 18S ribosomal RNA genes of eukaryotes present in different hydrothermal niches at the Mid-Atlantic Ridge identified considerable phylogenetic diversity, both at kingdom level and within kinetoplastids and alveolates.
An updated view of kinetoplastid phylogeny using environmental sequences and a closer outgroup: proposal for a new classification of the class Kinetoplastea.
- D. Moreira, P. López‐García, K. Vickerman
- Biology, MedicineInternational journal of systematic and…
- 1 September 2004
A new classification of the class Kinetoplastea is proposed based on the results of the phylogenetic analysis presented, which supports the monophyly of groups that very often emerged as polyphyletic in the trees rooted using the traditional, distant outgroup sequences.
Bacterial diversity in hydrothermal sediment and epsilonproteobacterial dominance in experimental microcolonizers at the Mid-Atlantic Ridge.
- P. López‐García, S. Duperron, P. Philippot, J. Foriel, J. Susini, D. Moreira
- Biology, MedicineEnvironmental microbiology
- 1 October 2003
A molecular survey based on 16S rRNA genes of the bacterial diversity found in two deep-sea vent niches at the Mid-Atlantic Ridge shows that microcolonizers were almost exclusively colonized by epsilonproteobacteria, although these exhibited considerable morphological and phylogenetic in-group diversity.
Ancestral lipid biosynthesis and early membrane evolution.
- J. Peretó, P. López‐García, D. Moreira
- Biology, MedicineTrends in biochemical sciences
- 1 September 2004
The cenancestor seems likely to have been endowed with membrane lipids whose synthesis was enzymatic but probably non-stereospecific, and which belonged to two separate superfamilies that are universally distributed, suggesting that members of both superfam families existed in the cenciestor.
The early evolution of lipid membranes and the three domains of life
- Jonathan Lombard, P. López‐García, D. Moreira
- Biology, MedicineNature Reviews Microbiology
- 11 June 2012
The implications of recent phylogenomic studies suggesting that the cenancestor did possess complex phospholipid membranes for membrane evolution in archaea and bacteria and for the origin of the eukaryotic cell are discussed.
Comparative metagenomics of bathypelagic plankton and bottom sediment from the Sea of Marmara
- A. Quaiser, Y. Zivanovic, D. Moreira, P. López‐García
- Biology, GeologyThe ISME Journal
- 22 August 2010
Comparison of metagenomic data from bathypelagic plankton and bottom sediment of the Sea of Marmara shows the common ecological role of both types of microbial communities in the degradation of organic matter and the completion of biogeochemical cycles, andArchaeal amo genes were abundant in plankton, suggesting that MarmARA planktonic Thaumarchaeota are ammonia oxidizers.