The Mediterranean Sea is a marine biodiversity hot spot. Here we combined an extensive
literature analysis with expert opinions to update publicly available estimates of major taxa …

Estimates of the order of magnitude for the total number of microbial species on Earth range
from 10 3 to 10 9. Despite global dispersal of microorganisms, this number is probably rather …

Picoplankton—cells with a diameter of less than 3 µm—are the dominant contributors to both
primary production and biomass in open oceanic regions,. However, compared with the …

The tools of molecular genetics have enormous potential for clarifying the nature and age of
species boundaries in marine organisms. Below I summarize the genetic implications of …

Profound changes are occurring in the strategies that biotechnology-based industries are
deploying in the search for exploitable biology and to discover new products and develop …

We used denaturing gradient gel electrophoresis (DGGE) to study the diversity of
picoeukaryotes in natural marine assemblages. Two eukaryote-specific primer sets targeting …

Higher level relationships among placental mammals, as well as the historical biogeography
and morphological diversification of this group, remain unclear,,. Here we analyse …

Very small eukaryotic organisms (picoeukaryotes) are fundamental components of marine
planktonic systems, often accounting for a significant fraction of the biomass and activity in a …

ABSTRACT The North Pacific Subtropical Gyre (NPSG) is the largest ecosystem on our
planet. However, this expansive habitat is also remote, poorly sampled, and therefore not …

This review discusses the main developments in the systematics of coccoid green algae
over the last three decades. The relationships of key groups of planktonic coccoid green …