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Journal articles on the topic 'Variation (biology)'

Author: Grafiati

Published: 4 June 2021

Last updated: 30 July 2024

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1

Antia, Bassey E., and Richard A. Kamai. "Writing biology, assessing biology." Terminology 22, no. 2 (December 31, 2016): 201–22. http://dx.doi.org/10.1075/term.22.2.03ant.

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There has been substantial research into terminology as an issue in learning science, especially against the backdrop of concerns over school literacy in science and as sometimes reflected in the poor performance of high school students in assessment tasks. Relevant research has emphasized issues such as lexical load, complexity and metaphor. Variation in the use of terminology has, however, been relatively under researched, although there is evidence that terminology use does vary within and across high school textbooks of science. Drawing on an eclectic theoretical framework comprising trans

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2

Przytycka, Teresa M. "Phenotypic variation meets systems biology." Genome Biology 10, no. 8 (2009): 313. http://dx.doi.org/10.1186/gb-2009-10-8-313.

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3

Thompson, R. C. A., and A. J. Lymbery. "Echinococcus: Biology and strain variation." International Journal for Parasitology 20, no. 4 (July 1990): 457–70. http://dx.doi.org/10.1016/0020-7519(90)90193-q.

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4

Montévil, Maël, Matteo Mossio, Arnaud Pocheville, and Giuseppe Longo. "Theoretical principles for biology: Variation." Progress in Biophysics and Molecular Biology 122, no. 1 (October 2016): 36–50. http://dx.doi.org/10.1016/j.pbiomolbio.2016.08.005.

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5

Donelson, J. E., and A. C. Rice-Ficht. "Molecular biology of trypanosome antigenic variation." Microbiological Reviews 49, no. 2 (1985): 107–25. http://dx.doi.org/10.1128/mmbr.49.2.107-125.1985.

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6

Donelson, J. E., and A. C. Rice-Ficht. "Molecular biology of trypanosome antigenic variation." Microbiological Reviews 49, no. 2 (1985): 107–25. http://dx.doi.org/10.1128/mr.49.2.107-125.1985.

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7

Safran, Rebecca J., and Mark E. Hauber. "Evolutionary Biology: Variation Isn't Always Sexy." Current Biology 17, no. 10 (May 2007): R368—R370. http://dx.doi.org/10.1016/j.cub.2007.03.041.

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8

Furmaga, Jacek, Marek Kowalczyk, Tomasz Zapolski, Olga Furmaga, Leszek Krakowski, Grzegorz Rudzki, Andrzej Jaroszyński, and Andrzej Jakubczak. "BK Polyomavirus—Biology, Genomic Variation and Diagnosis." Viruses 13, no. 8 (July 30, 2021): 1502. http://dx.doi.org/10.3390/v13081502.

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The BK polyomavirus (BKPyV), a representative of the family Polyomaviridae, is widespread in the human population. While the virus does not cause significant clinical symptoms in immunocompetent individuals, it is activated in cases of immune deficiency, both pharmacological and pathological. Infection with the BKPyV is of particular importance in recipients of kidney transplants or HSC transplantation, in which it can lead to the loss of the transplanted kidney or to haemorrhagic cystitis, respectively. Four main genotypes of the virus are distinguished on the basis of molecular differentiati

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9

Breslow, J. L. "Human Apolipoprotein Molecular Biology and Genetic Variation." Annual Review of Biochemistry 54, no. 1 (June 1985): 699–727. http://dx.doi.org/10.1146/annurev.bi.54.070185.003411.

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10

Lemaitre, H., V. S. Mattay, F. Sambataro, B. Verchinski, R. E. Straub, J. H. Callicott, R. Kittappa, et al. "Genetic Variation in FGF20 Modulates Hippocampal Biology." Journal of Neuroscience 30, no. 17 (April 28, 2010): 5992–97. http://dx.doi.org/10.1523/jneurosci.5773-09.2010.

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11

Leslie, Paul W., and Michael A. Little. "Human Biology and Ecology: Variation in Nature and the Nature of Variation." American Anthropologist 105, no. 1 (March 2003): 28–37. http://dx.doi.org/10.1525/aa.2003.105.1.28.

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12

Wang, Xiu-Mei, Xiangbing Yang, Lian-Sheng Zang, Zheng Wang, Chang-Chun Ruan, and Xian-Jiao Liu. "Effect of geographic variation on biology and cold tolerance of Harmonia axyridis in China." Entomologia Generalis 36, no. 3 (July 1, 2017): 239–50. http://dx.doi.org/10.1127/entomologia/2017/0441.

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13

Putman, Rory, and Werner T. Flueck. "Intraspecific variation in biology and ecology of deer: magnitude and causation." Animal Production Science 51, no. 4 (2011): 277. http://dx.doi.org/10.1071/an10168.

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It has been noted that the search for patterns in biology to assist our understanding, often leads to over-simplification. That is, we are satisfied with statements that ‘the species as a rule does this’ or, ‘males of this species do that’. But within such generalisations are masked what are often important variations from that supposed norm and in practice there is tremendous variation in morphology, physiology, social organisation and behaviour of any one species. The focus on a supposedly mean optimal phenotype has diverted attention away from variation around that mean, which is regularly

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14

Vihinen, Mauno. "Poikilosis – pervasive biological variation." F1000Research 9 (June 12, 2020): 602. http://dx.doi.org/10.12688/f1000research.24173.1.

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Biological systems are dynamic and display heterogeneity at all levels. Ubiquitous heterogeneity, here called for poikilosis, is an integral and important property of organisms and in molecules, systems and processes within them. Traditionally, heterogeneity in biology and experiments has been considered as unwanted noise, here poikilosis is shown to be the normal state. Acceptable variation ranges are called as lagom. Non-lagom, variations that are too extensive, have negative effects, which influence interconnected levels and once the variation is large enough cause a disease and can lead ev

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15

Vihinen, Mauno. "Poikilosis – pervasive biological variation." F1000Research 9 (September 18, 2020): 602. http://dx.doi.org/10.12688/f1000research.24173.2.

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Biological systems are dynamic and display heterogeneity at all levels. Ubiquitous heterogeneity, here called for poikilosis, is an integral and important property of organisms and in molecules, systems and processes within them. Traditionally, heterogeneity in biology and experiments has been considered as unwanted noise, here poikilosis is shown to be the normal state. Acceptable variation ranges are called as lagom. Non-lagom, variations that are too extensive, have negative effects, which influence interconnected levels and once the variation is large enough cause a disease and can lead ev

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16

Kuzma, Kori, James Stevenson, Jiachen Liu, Adam Coffman, Obi L. Griffith, Malachi Griffith, Jason Walker, Lawrence Babb, Xuelu Liu, and Alex Wagner. "21. Translating human readable variation descriptions to unique computable variations with the Variation Normalizer." Cancer Genetics 268-269 (November 2022): 7–8. http://dx.doi.org/10.1016/j.cancergen.2022.10.024.

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17

Tzellos, Stelios, and Paul Farrell. "Epstein-Barr Virus Sequence Variation—Biology and Disease." Pathogens 1, no. 2 (November 8, 2012): 156–74. http://dx.doi.org/10.3390/pathogens1020156.

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18

Hütt, Marc-Thorsten. "Understanding genetic variation - the value of systems biology." British Journal of Clinical Pharmacology 77, no. 4 (March 20, 2014): 597–605. http://dx.doi.org/10.1111/bcp.12266.

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19

Hazel, Elizabeth, Michael Prosser, and Keith Trigwell. "Variation in learning orchestration in university biology courses." International Journal of Science Education 24, no. 7 (July 2002): 737–51. http://dx.doi.org/10.1080/09500690110098886.

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20

Garshelis, D. L., and E. C. Hellgren. "Variation in Reproductive Biology of Male Black Bears." Journal of Mammalogy 75, no. 1 (February 18, 1994): 175–88. http://dx.doi.org/10.2307/1382249.

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21

Sunyaev, Shamil R., and Frederick P. Roth. "Systems biology and the analysis of genetic variation." Current Opinion in Genetics & Development 23, no. 6 (December 2013): 599–601. http://dx.doi.org/10.1016/j.gde.2013.11.010.

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22

Otremski, I., M. Katz, G. Livshits, and Z. Cohen. "Biology of aging in an Israeli population. 1. Review of literature and morphological variation analysis." Anthropologischer Anzeiger 51, no. 3 (September 2, 1993): 233–49. http://dx.doi.org/10.1127/anthranz/51/1993/233.

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23

Charlesworth, Deborah, Nicholas H. Barton, and Brian Charlesworth. "The sources of adaptive variation." Proceedings of the Royal Society B: Biological Sciences 284, no. 1855 (May 31, 2017): 20162864. http://dx.doi.org/10.1098/rspb.2016.2864.

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The role of natural selection in the evolution of adaptive phenotypes has undergone constant probing by evolutionary biologists, employing both theoretical and empirical approaches. As Darwin noted, natural selection can act together with other processes, including random changes in the frequencies of phenotypic differences that are not under strong selection, and changes in the environment, which may reflect evolutionary changes in the organisms themselves. As understanding of genetics developed after 1900, the new genetic discoveries were incorporated into evolutionary biology. The resulting

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24

Zahn, L. "Immune Variation." Science Signaling 7, no. 316 (March 11, 2014): ec69-ec69. http://dx.doi.org/10.1126/scisignal.2005253.

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25

Riddihough, G. "Exploiting Variation." Science Signaling 4, no. 154 (January 4, 2011): ec9-ec9. http://dx.doi.org/10.1126/scisignal.4154ec9.

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26

Potter, Tomos, David N. Reznick, and Tim Coulson. "Substantial intraspecific variation in energy budgets: Biology or artefact?" Functional Ecology 35, no. 8 (July 4, 2021): 1693–707. http://dx.doi.org/10.1111/1365-2435.13847.

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27

Stern, David L. "PERSPECTIVE: EVOLUTIONARY DEVELOPMENTAL BIOLOGY AND THE PROBLEM OF VARIATION." Evolution 54, no. 4 (2000): 1079. http://dx.doi.org/10.1554/0014-3820(2000)054[1079:pedbat]2.0.co;2.

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28

Stern, David L. "PERSPECTIVE: EVOLUTIONARY DEVELOPMENTAL BIOLOGY AND THE PROBLEM OF VARIATION." Evolution 54, no. 4 (August 2000): 1079–91. http://dx.doi.org/10.1111/j.0014-3820.2000.tb00544.x.

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29

Liu, Xiaoping, Yanrui Gao, Yiyi Zhang, and Xuemin Wang. "Variation in skin biology to climate in Shanghai, China." Cutaneous and Ocular Toxicology 36, no. 3 (January 11, 2017): 231–36. http://dx.doi.org/10.1080/15569527.2016.1258708.

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30

Stuhrmann, H. B. "Methods of isotopic and spin contrast variation in biology." Physica B: Condensed Matter 156-157 (January 1989): 444–51. http://dx.doi.org/10.1016/0921-4526(89)90700-x.

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31

Westneat, David F., Jonathan Wright, and Niels J. Dingemanse. "The biology hidden inside residual within-individual phenotypic variation." Biological Reviews 90, no. 3 (July 30, 2014): 729–43. http://dx.doi.org/10.1111/brv.12131.

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32

Benfey, P. N., and T. Mitchell-Olds. "From Genotype to Phenotype: Systems Biology Meets Natural Variation." Science 320, no. 5875 (April 25, 2008): 495–97. http://dx.doi.org/10.1126/science.1153716.

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33

Gasch, Audrey P., Bret A. Payseur, and John E. Pool. "The Power of Natural Variation for Model Organism Biology." Trends in Genetics 32, no. 3 (March 2016): 147–54. http://dx.doi.org/10.1016/j.tig.2015.12.003.

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34

Li, Luolan, Alireza Lorzadeh, and Martin Hirst. "Regulatory variation: an emerging vantage point for cancer biology." Wiley Interdisciplinary Reviews: Systems Biology and Medicine 6, no. 1 (November 19, 2013): 37–59. http://dx.doi.org/10.1002/wsbm.1250.

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35

Fernandes, Laísa, and Patricia Shirley Prado. "Submental Anatomical Variations: The Uniqueness of a Common Variation." Journal of Morphological Sciences 38 (2021): 100–108. http://dx.doi.org/10.51929/jms.38.19.2021.

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36

Promislow, Daniel. "OMICS IN AGING RESEARCH: FROM BIOMARKERS TO SYSTEMS BIOLOGY." Innovation in Aging 3, Supplement_1 (November 2019): S234. http://dx.doi.org/10.1093/geroni/igz038.869.

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Abstract Advances in whole genome sequencing have dramatically increased our potential to understand what shapes variation in rates of aging and age-related disease in natural populations, but we are still far from realizing this potential. Researchers have identified thousands of genetic markers associated with complex human traits. However, these markers typically explain a very small fraction of the observed variance, leaving an enormous explanatory gap between genotype and phenotype. I will present data from diverse species to illustrate the power of so-called endophenotypes—the epigenome,

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37

Bedge, Kiran, and Pratima Salunkhe. "Population Genetics : A Review." International Journal of Scientific Research in Science and Technology 11, no. 2 (April 20, 2024): 746–48. http://dx.doi.org/10.32628/ijsrst24112109.

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Genetics is the study of genes and genetic variations alongwith the hereditary characteristics of an organism. Genetics is a central pillar of biology. It overlaps with other areas, such as: Agriculture, Medicine, Biotechnology. Genetics involves studying: Gene structure and function Gene variation and changes How genes affect health, appearance, and personality. Population genetics studies genetic variation within and among populations, based on the Hardy-Weinberg law, which remains constant in large populations with random mating and minimal mutation, selection, and migration.

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38

Powell, Jeffrey. "Genetic Variation in Insect Vectors: Death of Typology?" Insects 9, no. 4 (October 11, 2018): 139. http://dx.doi.org/10.3390/insects9040139.

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The issue of typological versus population thinking in biology is briefly introduced and defined. It is then emphasized how population thinking is most relevant and useful in vector biology. Three points are made: (1) Vectors, as they exist in nature, are genetically very heterogeneous. (2) Four examples of how this is relevant in vector biology research are presented: Understanding variation in vector competence, GWAS, identifying the origin of new introductions of invasive species, and resistance to inbreeding. (3) The existence of high levels of vector genetic heterogeneity can lead to fail

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39

Page, Robert B., and Matt Crook. "Investigating Causal Genetic Variation in the yellow Gene of Drosophila melanogaster as a Means of Teaching Foundational Molecular Genetic Concepts & Techniques." American Biology Teacher 84, no. 1 (January 1, 2022): 28–32. http://dx.doi.org/10.1525/abt.2022.84.1.28.

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How genetic variation influences phenotypic variation is of importance to many biological disciplines, including evolutionary biology, biomedicine, and agriculture. Nevertheless, students frequently struggle to make connections across levels of biological organization, which can make it challenging to facilitate understanding of how nucleotide variation gives rise to organismal variation. At the same time, biology students are now expected to gain early experience with cornerstone techniques from molecular biology, so that these skills can be reinforced and expanded upon. Here we describe a fi

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40

Drummond, Frank. "Reproductive Biology of Wild Blueberry (Vaccinium angustifolium Aiton)." Agriculture 9, no. 4 (March 30, 2019): 69. http://dx.doi.org/10.3390/agriculture9040069.

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Wild blueberry, Vaccinium angustifolium Aiton, is a native forest understory plant that is managed as a fruit crop. Over the past 51 years, experiments have been conducted to investigate its reproduction. A model was developed that predicts bloom to begin at 100° days (base 4.4 °C) after 1 April and to end at 500° days for a period of three to four weeks. Flower stigmas are only receptive to pollen deposition for eight to 10 days, and the rate of fruit set declines rapidly after four days. Placement of pollen upon receptive stigmas suggests that fruit set occurs with as little as a single poll

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41

Speth, Elena Bray, Neil Shaw, Jennifer Momsen, Adam Reinagel, Paul Le, Ranya Taqieddin, and Tammy Long. "Introductory Biology Students’ Conceptual Models and Explanations of the Origin of Variation." CBE—Life Sciences Education 13, no. 3 (September 2014): 529–39. http://dx.doi.org/10.1187/cbe.14-02-0020.

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Mutation is the key molecular mechanism generating phenotypic variation, which is the basis for evolution. In an introductory biology course, we used a model-based pedagogy that enabled students to integrate their understanding of genetics and evolution within multiple case studies. We used student-generated conceptual models to assess understanding of the origin of variation. By midterm, only a small percentage of students articulated complete and accurate representations of the origin of variation in their models. Targeted feedback was offered through activities requiring students to critica

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42

Stern, P. R. "Variation in Transit." Science Signaling 4, no. 159 (February 8, 2011): ec43-ec43. http://dx.doi.org/10.1126/scisignal.4159ec43.

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43

Vinogradov, Evgeny, Jerry D. King, Ashutosh K. Pathak, Eric T. Harvill, and Andrew Preston. "Antigenic Variation amongBordetella." Journal of Biological Chemistry 285, no. 35 (June 30, 2010): 26869–77. http://dx.doi.org/10.1074/jbc.m110.115121.

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44

Kolmer, James. "Leaf Rust of Wheat: Pathogen Biology, Variation and Host Resistance." Forests 4, no. 1 (January 16, 2013): 70–84. http://dx.doi.org/10.3390/f4010070.

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45

Busack, Stephen D., and Clarence J. McCoy. "Distribution, variation and biology of Macroprotodon cucullatus (Reptilia, Colubridae, Boiginae)." Annals of the Carnegie Museum 59, no. 4 (November 15, 1990): 261–85. http://dx.doi.org/10.5962/p.330564.

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46

Gratto, Cheri L., and Fred Cooke. "Geographic Variation in the Breeding Biology of the Semipalmated Sandpiper." Ornis Scandinavica 18, no. 3 (September 1987): 233. http://dx.doi.org/10.2307/3676772.

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47

Ellner, Lisa R., and William H. Karasov. "Latitudinal Variation in the Thermal Biology of Ornate Box Turtles." Copeia 1993, no. 2 (May 3, 1993): 447. http://dx.doi.org/10.2307/1447144.

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48

Egi, Moritoki, Rinaldo Bellomo, Edward Stachowski, Craig J. French, and Graeme K. Hart. "Circadian variation of glucose levels: Biology or timing of measurements?" Critical Care Medicine 35, no. 7 (July 2007): 1801–2. http://dx.doi.org/10.1097/01.ccm.0000269346.99094.1c.

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49

Vogelzang, Mathijs, Iwan C. van der Horst, Felix Zijlstra, and Maarten W. Nijsten. "Circadian variation of glucose levels: Biology or timing of measurements?" Critical Care Medicine 35, no. 7 (July 2007): 1800–1801. http://dx.doi.org/10.1097/01.ccm.0000269406.40845.b5.

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50

Kosina, Romuald. "Selected items of wheat variation - from palaeobotany to molecular biology." Acta Societatis Botanicorum Poloniae 68, no. 2 (2014): 129–41. http://dx.doi.org/10.5586/asbp.1999.019.

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The usefulness of data on ecotypes of wheat as well as of information about distribution of genes of hybrid necrosis for an interpretation of some questionable detections of fossil materials is emphasized. Variability of contemporary wheats is illustrated by means of morphology of lodicules, anatomical structure of caryopsis, morphology of embryo and features of epidermis of inflorescence bracts. These structures exhibit often a trend dependent on ploidy level. Discrimination of similar grains of fossil <em>Triticum compactum</em> and <em>T. sphaerococcum</em> is possib

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