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Immunofluorescent labeling of cancer marker Her2 and other cellular targets with semiconductor quantum dots
Using QDs linked to immunoglobulin G and streptavidin to label the breast cancer marker Her2, to stain actin and microtubule fibers in the cytoplasm, and to detect nuclear antigens inside the nucleus indicate that QD-based probes can be very effective in cellular imaging and offer substantial advantages over organic dyes in multiplex target detection.
History and evolution of alpine plants endemic to the Qinghai‐Tibetan Plateau: Aconitum gymnandrum (Ranunculaceae)
A survey of chloroplast DNA and nuclear ribosomal internal transcribed spacer (ITS) DNA variation aimed at exploring the phylogeographical history of the QTP alpine endemic Aconitum gymnandrum suggests that at least some of these cold‐tolerant species may have also survived centrally on theQTP platform throughout the Quaternary.
Functions and toxicity of nickel in plants: recent advances and future prospects.
Nickel is an essential nutrient for plants. However, the amount of Ni required for normal growth of plants is very low. Hence, with the level of Ni pollution in the environment increasing, it is
The yak genome and adaptation to life at high altitude
Positively selected and rapidly evolving genes in the yak lineage are found to be significantly enriched in functional categories and pathways related to hypoxia and nutrition metabolism, which may have important implications for understanding adaptation to high altitude in other animal species and for Hypoxia-related diseases in humans.
Diversification and biogeography of Juniperus (Cupressaceae): variable diversification rates and multiple intercontinental dispersals.
Both long dispersal and migration across land bridges probably contributed to the modern range of Juniperus, while long-term climatic changes and the uplift of the Qinghai-Tibetan plateau probably drove its diversification.
A new phylogeny for the genus Picea from plastid, mitochondrial, and nuclear sequences.
The large effective population sizes of spruces, and incomplete lineage sorting during speciation, mean that the interspecific relationships within each of the geographic clades require further studies, especially based on genomic information and population genetic data.
Distribution of living Cupressaceae reflects the breakup of Pangea
It is shown that phylogenetic relationships in the gymnosperm family Cupressaceae (162 species, 32 genera) exhibit patterns expected from the Jurassic/Cretaceous breakup of Pangea, and originated during the Triassic.
Mitochondrial and chloroplast phylogeography of Picea crassifolia Kom. (Pinaceae) in the Qinghai‐Tibetan Plateau and adjacent highlands
A lack of isolation to pollen‐mediated gene flow between forests on the QTP and adjacent highlands is surprising given that the Tengger Desert has been a geographical barrier between these two regions for approximately the last 1.8 million years.
Phylogeography and allopatric divergence of cypress species (Cupressus L.) in the Qinghai-Tibetan Plateau and adjacent regions
It is concluded that the formation of high mountain barriers separating deep valleys in the QTP and adjacent regions caused by various uplifts of the plateau since the early Miocene most likely promoted allopatric divergence in Cupressus by restricting gene flow and fixing local, species-specific haplotypes in geographically isolated populations.
Phylogeography of Pinus tabulaeformis Carr. (Pinaceae), a dominant species of coniferous forest in northern China
The geographical pattern of variation for all five chlorotypes provided some indication of the species surviving past glaciations in more than one refugium, although differentiation was much less marked, presumably due to the greater dispersal of cpDNA via pollen.