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  • Immunocytochemistry  (856)
  • evolution  (696)
  • Springer  (1,549)
  • Taylor & Francis  (3)
  • 1
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    The Archaeology of Human Ancestry (2021)
    Taylor & Francis
    Details
    Publication Date: 2024-04-04
    Description: Human social life is constrained and defined by our cognitive and emotional dispositions, which are the legacy of our foraging ancestors. But how difficult is it to reconstruct the social systems and cultural traditions of those ancestors? The Archaeology of Human Ancestry provides a stimulating and provocative answer, in which archaeologists and biological anthropologists set out and demonstrate their reconstructive methods. Contributors use observations of primates and modern hunter-gatherers to illuminate the fossil and artefactual records. Thematic treatment covers the evolution of group size; group composition and the emotional structure of social bonds; sexual dimorphism and the sexual division of labour; and the origins of human cultural traditions. The Archaeology of Human Ancestry is an essential introduction to the subject for advanced undergraduates and researchers in archaeology and biological anthropology. It will also be used by workers in psychology, sociology and feminist studies as a resource for understanding human social origins.
    Keywords: homo ; erectus ; hominid ; evolution ; archaeological ; record ; early ; reproductive ; success ; modern ; thema EDItEUR::N History and Archaeology::NK Archaeology
    Language: English
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    E-BOOK
  • 2
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    Chapter 7 Cellular Control of Time, Size, and Shape in Development and Evolution (2021)
    Taylor & Francis | Cells in Evolutionary Biology | CRC Press
    Details
    Publication Date: 2024-04-05
    Description: The rules by which anatomical size and shape are generated have intrigued scientists for centuries. In 1638, Galileo suggested a mathematical relationship between proportional changes in the shape of bones as animals increase in size, which he argued was a functional necessity for weight bearing (1914). The formalism of Galileo, whereby, physical forces and mathematical laws became integrated with studies of size and shape in biology, was most conspicuously encapsulated over a hundred years ago in the 1917 monumental tome by D’Arcy Thompson entitled, On Growth and Form (Thompson 1917). In a breathtakingly comprehensive manner, Thompson synthesized the observations of numerous predecessors and contemporaries, and through countless examples built a theoretical and experimental framework for describing changes in morphology that persists to this day (Stern and Emlen 1999; Arthur 2006).
    Keywords: cellular control ; evolution ; biology ; thema EDItEUR::P Mathematics and Science::PS Biology, life sciences
    Language: English
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  • 3
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    Chapter 9 Race as a Cultural Construction (2021)
    Taylor & Francis | Race and Human Diversity
    Details
    Publication Date: 2024-04-14
    Description: Race and Human Diversity is an introduction to the study of human diversity in both its biological and cultural dimensions. Robert L. Anemone examines the biological basis of human difference and how humans have biologically and culturally adapted to life in different environments. The book discusses the history of the race concept, evolutionary theory, human genetics, and the connections between racial classifications and racism. It invites students to question the existence of race as biology, but to recognize race as a social construction with significant implications for the lived experience of individuals and populations. This second edition has been thoroughly revised, with new material on human genetic diversity, developmental plasticity and epigenetics. There is additional coverage of the history of eugenics; race in US history, citizenship and migration; affirmative action; and white privilege and the burden of race. Fully accessible for undergraduate students with no prior knowledge of genetics or statistics, this is a key text for any student taking an introductory class on race or human diversity.
    Keywords: 1000 Genomes ; 23 and Me ; Biogeographic ancestry ; Genotypes ; HapMap ; Lewontin ; Mitochondrial Eve ; Spencer Wells ; Thermoregulation ; biodiversity ; biology ; black lives matter ; blacklivesmatter ; charles darwin ; developmental plasticity ; diversity ; dutch famine ; epigenetics ; evolution ; evolutionary theory ; gene introgression ; genetics ; health inequality ; health outcomes ; history of race ; human adaptation ; human diversity ; human genetic diversity project ; human genome ; hunger winter ; mendel ; nutrition ; paleo diet ; police violence ; race ; skin color ; skin colour ; white privilege
    Language: English
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  • 4
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    Die Erde im Visier - Geowissenschaften an der Schwelle zum 21. Jahrhundert (1999)
    Springer
    In:  Heidelberg, Springer, vol. 113, no. XVI:, pp. 1-14, (ISBN 1-56670-263-3)
    Details
    Publication Date: 1999
    Keywords: Handbook of geophysics ; Seismology ; Seismics (controlled source seismology) ; Early warning systems (earthquakes, volcanic eruptions, tsunamis etc.) ; Earthquake hazard ; KTB ; ICDP ; IOcean Drilling Program ; climate ; Antarctica ; Nuclear explosion ; Volcanology ; GeodesyY ; satellites ; remote ; sensing ; gas ; hydrates ; Geothermics ; Energy (of earthquakes) ; potable ; water ; waste ; soils ; evolution ; Geol. aspects ; geotechnics ; Engineering geophys. ; ores
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    BIBLIOGRAPHY SEISMOLOGY
  • 5
    Electronic Resource
    Electronic Resource
    Microfilaments (F-actin) in generative cells and sperm: an evaluation (1992)
    Springer
    Sexual plant reproduction 5 (1992), S. 89-100 
    Details
    ISSN: 1432-2145
    Keywords: Actin ; Cytoskeleton ; Generative cell ; Immunocytochemistry ; Microtubule ; Mitosis ; Phragmoplast ; Pollen ; Rhodamine phalloidin ; Sperm
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Disagreement has arisen over the presence of actin-containing microfilaments (Mfs) in angiosperm generative cells and sperm (GSP). In order to address this issue, we subjected GSP of Tradescantia virginiana, Nicotiana tabacum and Rhododendron laetum to a series of localizations using different antiactins, rhodamine phalloidin and antimyosin. Coordinate staining with antitubulin and Hoechst 33258 defined the status of the microtubule (Mt) cytoskeleton and stages of generative cell division. Additional experiments utilized cytochalasin D (CD). In no instance could Mfs be detected in GSP of the three species. Instead, Mfs seen at the periphery of GSP appear to be continuous with vegetative Mfs and thus are in the vegetative cytoplasm. Mfs are not seen in the constriction zone of dividing T. virginiana generative cells, nor are they indicated in the phragmoplast of N. tabacum and R. laetum. Myosin localizations reveal punctate staining in the vegetative cytoplasm and a thin line of fluorescence around the the outside of the generative cell. While CD seems to delay generative cell division, cytokinesis still takes place. CD-induced Mf fragments are evident in the vegetative cytoplasm but not in GSP. The weight of evidence therefore indicates that GSP do not contain Mfs. The implications of this conclusion for the behavior of GSP and the mechanism of cytokinesis in dividing generative cells are considerable.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00194867
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  • 6
    Electronic Resource
    Electronic Resource
    Occurrence and expression of acid phosphatase of Hymenoscyphus ericae (Read) Korf & Kernan, in isolation or associated with plant roots (1992)
    Springer
    Mycorrhiza 1 (1992), S. 137-146 
    Details
    ISSN: 1432-1890
    Keywords: Ericaceae ; Mycorrhizal fungi ; Acid phosphatase ; Protein expression ; Immunocytochemistry
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary The activity of acid phosphatase produced in pure culture by the endomycorrhizal fungus Hymenoscyphus ericae (Read) Korf & Kernan (H. ericae LPA 2) was inhibited by high phosphorus levels, alkaline pH, fluoride, molybdate and mannosidase, and activated by concanavalin A. Over 80% of the enzyme activity was due to two wall-bound acid phosphatase isozymes with the characteristics of mannose-rich glycoproteins. Antiserum was raised against the major, low-molecular-weight wall isozyme and its activity tested by immunoblotting and ELISA. The antiserum cross reacted 100% with exocellular (excreted) and 28% with cytoplasmic cellular fractions of H. ericae (LPA 2) cultures, and showed high reactivity with other strains of H. ericae but not with fungal isolates from Erica hispidula L. or E. mauritanica L. Ultrastructural localization of acid phosphatase by cytoenzymology and indirect immunogold labelling confirmed its association with the fungal wall in pure culture and showed that the influence of a high phosphorus level, fluoride and molybdate is through inactivation of the enzyme. Intense acid phosphatase activity, sensitive to the latter inhibitors, was also present on external hyphae growing over a host or non-host root but it was weak or absent from intracellular hyphae where these developed within a host root. Indirect immunolabelling confirmed that this acid phosphatase was of fungal origin and that the specific inhibitory effect of host cells is due to inactivation of the enzyme rather than repression of its synthesis. Possible implications of fungal acid phosphatase in ericoid endomycorrhizal infection processes are discussed together with mechanisms that may be regulating the enzyme activity.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00203287
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  • 7
    Electronic Resource
    Electronic Resource
    On evolutionarily stable sets (1985)
    Springer
    Journal of mathematical biology 22 (1985), S. 105-115 
    Details
    ISSN: 1432-1416
    Keywords: ESS ; evolution ; game dynamics ; population genetics ; sexual populations ; strategies
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Mathematics
    Notes: Abstract As an extension of the concept of an evolutionarily stable strategy (ESS) evolutionarily stable sets are introduced, i.e. sets of equilibrium strategies (EQS) which have much of the properties of an ESS. They are primarily used with evolutionary game models that allow a continuum of EQSs, none of which can be an ESS, but also include common ESSs as a special case. For a large class even of nonlinear models it can be shown that the standard dynamics converge towards some equilibrium point in an ES set if started within a neighbourhood of the set. Important applications of ES sets include e.g. mixed-strategist models and evolutionary game models in sexual populations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00276549
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  • 8
    Electronic Resource
    Electronic Resource
    The AQP2 water channel: Effect of vasopressin treatment, microtubule disruption, and distribution in neonatal rats (1995)
    Springer
    The journal of membrane biology 143 (1995), S. 165-175 
    Details
    ISSN: 1432-1424
    Keywords: Water channels ; Vasopressin ; Rat kidney ; Immunocytochemistry ; Microtubules ; Cell polarity
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Aquaporin 2 is a collecting duct water channel that is located in apical vesicles and in the apical plasma membrane of collecting duct principal cells. It shares 42% identity with the proximal tubule/thin descending limb water channel, CHIP28. The present study was aimed at addressing three questions concerning the location and behavior of the AQP2 protein under different conditions. First, does the AQP2 channel relocate to the apical membrane after vasopressin treatment? Our results show that AQP2 is diffusely distributed in cytoplasmic vesicles in collecting duct principal cells of homozygous Brattleboro rats that lack vasopressin. In rats injected with exogenous vasopressin, however, AQP2 became concentrated in the apical plasma membrane of principal cells, as determined by immunofluorescence and immunogold electron microscopy. This behavior is consistent with the idea that AQP2 is the vasopressin-sensitive water channel. Second, is the cellular location of AQP2 modified by microtubule disruption? In normal rats, AQP2 has a mainly apical and subapical location in principal cells, but in colchicine-treated rats, it is distributed on vesicles that are scattered throughout the entire cytoplasm. This is consistent with the dependence on microtubules of apical protein targeting in many cell types, and explains the inhibitory effect of microtubule disruption on the hydroosmotic response to vasopressin in sensitive epithelia, including the collecting duct. Third, is AQP2 present in neonatal rat kidneys? We show that AQP2 is abundant in principal cells from neonatal rats at all days after birth. The detection of AQP2 in early neonatal kidneys indicates that a lack of this protein is not responsible for the relatively weak urinary concentrating response to vasopressin seen in neonatal rats.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00233445
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  • 9
    Electronic Resource
    Electronic Resource
    Peptidergic motoneurons in the buccal ganglia of Aplysia californica Immunocytochemical, morphological, and physiological characterizations (1991)
    Springer
    Journal of comparative physiology 168 (1991), S. 323-336 
    Details
    ISSN: 1432-1351
    Keywords: Aplysia ; Motoneurons ; Immunocytochemistry ; Small cardioactive peptides ; Facilitation ; Depression ; Buccal ; Feeding
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary We used physiological recordings, intracellular dye injections and immunocytochemistry to further identify and characterize neurons in the buccal ganglia of Aplysia calif ornica expressing Small Cardioactive Peptide-like immunoreactivity (SCP-LI). Neurons were identified based upon soma size and position, input from premotor cells B4 and B5, axonal projections, muscle innervation patterns, and neuromuscular synaptic properties. SCP-LI was observed in several large ventral neurons including B6, B7, B9, B10, and B11, groups of s1 and s2 cluster cells, at least one cell located at a branch point of buccal nerve n2, and the previously characterized neurons B1, B2 and B15. B6, B7, B9, B10 and B11 are motoneurons to intrinsic muscles of the buccal mass, each displaying a unique innervation pattern and neuromuscular plasticity. Combined, these motoneurons innervate all major intrinsic buccal muscles (I1/I3, I2, I4, I5, I6). Correspondingly, SCP-LI processes were observed on all of these muscles. Innervation of multiple nonhomologous buccal muscles by individual motoneurons having extremely plastic neuromuscular synapses, represents a unique form of neuromuscular organization which is prevalent in this system. Our results show numerous SCPergic buccal motoneurons with widespread ganglionic processes and buccal muscle innervation, and support extensive use of SCPs in the control of feeding musculature.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00198352
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  • 10
    Electronic Resource
    Electronic Resource
    Immunocytochemical localization of reserve protein in the endoplasmic reticulum of developing bean (Phaseolus vulgaris) cotyledons (1980)
    Springer
    Planta 150 (1980), S. 419-425 
    Details
    ISSN: 1432-2048
    Keywords: Cotyledons ; Endoplasmic reticulum ; Ferritin labeling ; Immunocytochemistry ; Phaseolus ; Protein (reserve) ; Reserve protein
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The ultrastructure of the storage parenchyma cells of the cotyledons of developing bean (Phaseolus vulgaris L.) seeds was examined in ultrathin frozen sections of specimens fixed in a mixture of glutaraldehyde, formaldehyde and acrolein, infused with 1 M sucrose, and sectioned at-80° C. Ultrastructural preservation was excellent and the various subcellular organelles could readily be identified in sections which had been stained with uranyl acetate and embedded in Carbowax and methylcellulose. The cells contained large protein bodies, numerous long endoplasmic reticulum cisternae, mitochondria, dictyosomes, and electron-dense vesicles ranging in size from 0.2 to 1.0 μm. Indirect immunolabelling using rabbit immunoglobulin G against purified phaseolin (7S reserve protein), and ferritin-conjugated goat immunoglobulin G against rabbit immunoglobulin G was used to localize phaseolin. With a concentration of 0.1 mg/ml of anti-phaseolin immunoglobin G, heavy labeling with ferritin particles was observed ober the protein bodies, the cisternae of the endoplasmic reticulum, and the vesicles. The same structures were lightly labeled when the concentration of the primary antigen was 0.02 mg/ml. Ferritin particles were also found over the Golgi bodies. The absence of ferritin particles from other organelles such as mitochondria and from areas of cytoplasm devoid of organelles indicated the specificity of the staining, especially at the lower concentration of anti-phaseolin immunoglobulin G.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00390179
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