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More on mobility and sedentism: Changes in adaptation from Upper Paleolithic to Incipient Jomon, Tanegashima Island, southern Japan.
PLoS One
January 2025
Department of Anthropology and Heritage Studies, University of California, Merced, California, United States of America.
Sedentism is an adaptive alternative in human societies which is often associated with the emergence of complex societies in the Holocene. To elucidate the factors and processes of the emergence of sedentary societies, continuous accumulation of case studies based on robust evidence from across the world is required. Given abundant archaeological and geological evidence from the late Pleistocene to early Holocene, Tanegashima Island, situated in the southern Japanese Archipelago of the northwestern Pacific Rim, has significant potential to unravel factors and processes of sedentism.
View Article and Find Full Text PDFAlternative Role of B/b Knob-Hole Interactions in the Fibrin Assembly.
Biochemistry
January 2025
Palladin Institute of Biochemistry, National Academy of Sciences of Ukraine, 9, Leontovycha 9, Kyiv 01054, Ukraine.
The self-assembly of fibrin is a vital process in blood clotting, primarily facilitated by the interactions between knobs "A" and "B" in the central E region of one molecule and the corresponding holes "a" and "b" in the peripheral D regions of two other fibrin molecules. However, the precise function of the interactions between knob "B" and hole "b" during fibrin polymerization remains a subject of ongoing debate. The present study focuses on investigating intermolecular interactions between knob "B" and hole "b".
View Article and Find Full Text PDFGenetic insights into the first detection of Paracoccus marginatus (Hemiptera: Pseudococcidae) in Australia.
J Insect Sci
January 2025
Biosecurity and Animal Welfare, Department of Agriculture and Fisheries, Berrimah Farm Science Precinct, Darwin, Northern Territory 0810, Australia.
Species spread in a new environment is often associated with founders' effect, and reduced effective population size and genetic diversity. However, reduced genetic diversity does not necessarily translate to low establishment and spread potential. Paracoccus marginatus Williams and Granara de Willink is a polyphagous pest that has invaded 4 continents in around 34 years.
View Article and Find Full Text PDFInositol polyphosphates regulate resilient mechanisms in the green alga Chlamydomonas reinhardtii to adapt to extreme nutrient conditions.
Physiol Plant
January 2025
Institute for Plant Biochemistry and Photosynthesis, Consejo Superior de Investigaciones Científicas, Seville, Spain.
In the context of climate changing environments, microalgae can be excellent organisms to understand molecular mechanisms that activate survival strategies under stress. Chlamydomonas reinhardtii signalling mutants are extremely useful to decipher which strategies photosynthetic organisms use to cope with changeable environments. The mutant vip1-1 has an altered profile of pyroinositol polyphosphates (PP-InsPs), which are signalling molecules present in all eukaryotes and have been connected to P signalling in other organisms including plants, but their implications in other nutrient signalling are still under evaluation.
View Article and Find Full Text PDFThe planktonic freshwater ciliate Balanion planctonicum (Ciliophora, Prostomatea): A cryptic species complex or a "complex species"?
J Eukaryot Microbiol
January 2025
Limnological Station, Department of Plant and Microbial Biology, University of Zurich, Kilchberg, Switzerland.
The globally distributed ciliate Balanion planctonicum is a primary consumer of phytoplankton spring blooms. Due to its small size (~20 μm), identification and quantification by molecular tools is preferable as an alternative to the laborious counting of specimen in quantitative protargol stains. However, previous sequencing of the 18S rDNA V9 region of B.
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