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  • 1
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    Online Resource
    Brain, spine, and muscle cytochrome Cu-A redox patterns of change during hypothermic circulatory arrest in swine
    Elsevier BV ; 2005
    In:  Comparative Biochemistry and Physiology Part A: Molecular & Integrative Physiology Vol. 141, No. 3 ( 2005-7), p. 264-270
    Details
    In: Comparative Biochemistry and Physiology Part A: Molecular & Integrative Physiology, Elsevier BV, Vol. 141, No. 3 ( 2005-7), p. 264-270
    Type of Medium: Online Resource
    ISSN: 1095-6433
    URL: Article
    DOI: 10.1016/j.cbpb.2005.04.003
    RVK:
    WA 15000
    Language: English
    Publisher: Elsevier BV
    Publication Date: 2005
    detail.hit.zdb_id: 1481599-0
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  • 2
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    Assembly of a [2Fe-2S] 2+ Cluster in a Molecular Variant of Clostridium pasteurianum Rubredoxin
    American Chemical Society (ACS) ; 1997
    In:  Biochemistry Vol. 36, No. 43 ( 1997-10-01), p. 13374-13380
    Details
    In: Biochemistry, American Chemical Society (ACS), Vol. 36, No. 43 ( 1997-10-01), p. 13374-13380
    Type of Medium: Online Resource
    ISSN: 0006-2960 , 1520-4995
    URL: Article
    DOI: 10.1021/bi971775w
    RVK:
    WA 15000
    Language: English
    Publisher: American Chemical Society (ACS)
    Publication Date: 1997
    detail.hit.zdb_id: 1472258-6
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  • 3
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    Impact of plant architecture and extraguild prey density on intraguild predation in an agroecosystem
    Wiley ; 2014
    In:  Entomologia Experimentalis et Applicata Vol. 152, No. 2 ( 2014-08), p. 165-173
    Details
    In: Entomologia Experimentalis et Applicata, Wiley, Vol. 152, No. 2 ( 2014-08), p. 165-173
    Abstract: Several models and experimental studies conducted in confined environments have shown that intraguild predation ( IGP ) can modulate population abundances and structure communities. A number of ecological and abiotic factors determine the nature and frequency of IGP . This study examined the effect of plant architecture and extraguild prey density, and their interactions, on the occurrence of IGP between two species of ladybird, H armonia axyridis ( P allas) and P ropylea quatuordecimpunctata L . (both C oleoptera: C occinellidae). Theoretical concepts predict that IGP levels would increase with a decrease of both extraguild prey density and plant structural complexity. We conducted a factorial experiment in an open soybean field into which coccinellid larvae were introduced in experimental plots for a period of 5 days. We tested two levels of soybean aphid [ A phis glycines M atsumara ( H emiptera: A phididae)] density, low and high (100 and 1 000 aphids per plot, respectively), and two levels of plant complexity, low (by removing half of the branches from the soybean plants) and high (by leaving plants intact). We used species‐specific molecular markers to detect the presence of P . quatuordecimpunctata in the digestive tract of H . axyridis . Molecular gut‐content analysis of H . axyridis revealed that rates of IGP were higher (20%) at low aphid density than at high aphid density ( 〈 6%). Decreased plant complexity did not impact the frequency of IGP . In accordance with existing literature, this study demonstrates that IGP is amplified at low extraguild prey density. We conclude that considering environmental factors, such as extraguild prey density, is crucial to improve our ability to predict the impact of intraguild predation on community structure and, from an applied perspective, biological control.
    Type of Medium: Online Resource
    ISSN: 0013-8703 , 1570-7458
    URL: Issue
    URL: Article
    DOI: 10.1111/eea.2014.152.issue-2
    DOI: 10.1111/eea.12213
    RVK:
    WA 15000
    Language: English
    Publisher: Wiley
    Publication Date: 2014
    detail.hit.zdb_id: 2015286-3
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  • 4
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    Uncoupling protein 3 gene is associated with body composition changes with training in HERITAGE study
    American Physiological Society ; 2002
    In:  Journal of Applied Physiology Vol. 92, No. 3 ( 2002-03-01), p. 1111-1118
    Details
    In: Journal of Applied Physiology, American Physiological Society, Vol. 92, No. 3 ( 2002-03-01), p. 1111-1118
    Abstract: The uncoupling protein 3 (UCP3) is a mitochondrial membrane transporter mainly expressed in skeletal muscle that we have shown to be associated with obesity. We have analyzed UCP3 polymorphisms, Val102Ile, Tyr210Tyr, and a new microsatellite GAIVS6 located in the sixth intron, among 276 black and 503 white subjects from the HERITAGE Family Study. Linkage and association studies were undertaken with body composition variables measured in a sedentary state (baseline) and after 20 wk of endurance training (changes). Allele and genotype frequencies were found to be significantly different between whites and blacks. Suggestive linkages (0.009 ≤ P ≤ 0.033) with Tyr210Tyr were found in blacks and whites for baseline body mass index, fat mass, or leptin level and with GAIVS6 in whites for changes in fat mass and percent body fat. Associations were also found in whites between GAIVS6 and changes in the sum of eight skinfold thicknesses ( P = 0.0006), with a borderline result for body mass index ( P = 0.06). We concluded that UCP3 could be involved in body composition changes after regular exercise.
    Type of Medium: Online Resource
    ISSN: 8750-7587 , 1522-1601
    URL: Article
    DOI: 10.1152/japplphysiol.00726.2001
    RVK:
    WA 15000
    RVK:
    XA 52094
    Language: English
    Publisher: American Physiological Society
    Publication Date: 2002
    detail.hit.zdb_id: 1404365-8
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  • 5
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    Acute and chronic effects of exercise on leptin levels in humans
    American Physiological Society ; 1997
    In:  Journal of Applied Physiology Vol. 83, No. 1 ( 1997-07-01), p. 5-10
    Details
    In: Journal of Applied Physiology, American Physiological Society, Vol. 83, No. 1 ( 1997-07-01), p. 5-10
    Abstract: Pérusse, Louis, Gregory Collier, Jacques Gagnon, Arthur S. Leon, D. C. Rao, James S. Skinner, Jack H. Wilmore, André Nadeau, Paul Z. Zimmet, and Claude Bouchard. Acute and chronic effects of exercise on leptin levels in humans. J. Appl. Physiol. 83(1): 5–10, 1997.—The acute (single bout of exercise) and chronic (exercise training) effects of exercise on plasma leptin were investigated in 97 sedentary adult men ( n = 51) and women ( n = 46) participating in the HERITAGE Family Study. Exercise training consisted of a standardized 20-wk endurance training program performed in the laboratory on a computer-controlled cycle ergometer. Maximal oxygen uptake, body composition assessed by hydrostatic weighing, and fasting insulin level were also measured before and after training. Pre- and posttraining blood samples were obtained before and after completion of a maximal exercise test on the cycle ergometer. Exercise training resulted in significant changes in maximal oxygen uptake (increase in both genders) and body compostion (reduction of fat mass in men and increase in fat-free mass in women). There were considerable interindividual differences in the leptin response to acute and chronic effects of exercise, some individuals showing either increase or reduction in leptin, others showing almost no change. On average, leptin levels were not acutely affected by exercise. After endurance training was completed, leptin levels decreased significantly in men (from 4.6 to 3.9 ng/ml; P = 0.004) but not in women. However, after the training-induced changes in body fat mass were accounted for, the effects of exercise training were no longer significant. Most of the variation observed in leptin levels after acute exercise or endurance training appears to be within the confidence intervals of the leptin assay. We conclude that there are no meaningful acute or chronic effects of exercise, independent of the amount of body fat, on leptin levels in humans.
    Type of Medium: Online Resource
    ISSN: 8750-7587 , 1522-1601
    URL: Article
    DOI: 10.1152/jappl.1997.83.1.5
    RVK:
    WA 15000
    RVK:
    XA 52094
    Language: English
    Publisher: American Physiological Society
    Publication Date: 1997
    detail.hit.zdb_id: 1404365-8
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  • 6
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    TGF-β 1 gene-race interactions for resting and exercise blood pressure in the HERITAGE Family Study
    American Physiological Society ; 2001
    In:  Journal of Applied Physiology Vol. 91, No. 4 ( 2001-10-01), p. 1808-1813
    Details
    In: Journal of Applied Physiology, American Physiological Society, Vol. 91, No. 4 ( 2001-10-01), p. 1808-1813
    Abstract: We examined the possible association between a transforming growth factor (TGF)-β 1 gene polymorphism in codon 10 and blood pressure (BP) at rest, in acute response to exercise in the pretrained (sedentary) and trained states, as well as in its training response (Δ) to 20 wk of endurance exercise. Subjects were 257 black and 480 white, healthy sedentary normotensive subjects from the HERITAGE Family Study. The polymorphism was detected by polymerase chain reaction and digestion with the Msp A1 I endonuclease yielding a wild (leucine-10) and a mutant (proline-10) allele. Resting and exercise [50 W plus 60, 80, and 100% maximal oxygen consumption (V˙o 2 max )] BP were determined before and after training. Significant ( P 〈 0.05) race-genotype interactions were found for systolic (S) BP in both the sedentary and trained states. Among whites but not in blacks, the TGF-β 1 genotypes were significantly ( P 〈 0.05) associated with sedentary-state SBP at rest, at 50 W, and at 60 and 100% V˙o 2 max as well as with trained-state SBP at rest and at 80 and 100%V˙o 2 max . The leucine-10 homozygotes had significantly ( P 〈 0.05) lower SBP than proline-10 homozygotes. ΔBP was not significantly associated with genotype. These results support the hypothesis of an association between the TGF-β 1 marker in codon 10 and SBP at rest and in response to acute exercise in whites but not in blacks.
    Type of Medium: Online Resource
    ISSN: 8750-7587 , 1522-1601
    URL: Article
    DOI: 10.1152/jappl.2001.91.4.1808
    RVK:
    WA 15000
    RVK:
    XA 52094
    Language: English
    Publisher: American Physiological Society
    Publication Date: 2001
    detail.hit.zdb_id: 1404365-8
    SSG: 12
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  • 7
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    Familial aggregation ofV˙ o 2 max response to exercise training: results from the HERITAGE Family Study
    American Physiological Society ; 1999
    In:  Journal of Applied Physiology Vol. 87, No. 3 ( 1999-09-01), p. 1003-1008
    Details
    In: Journal of Applied Physiology, American Physiological Society, Vol. 87, No. 3 ( 1999-09-01), p. 1003-1008
    Abstract: The aim of this study was to test the hypothesis that individual differences in the response of maximal O 2 uptake (V˙o 2 max ) to a standardized training program are characterized by familial aggregation. A total of 481 sedentary adult Caucasians from 98 two-generation families was exercise trained for 20 wk and was tested for V˙o 2 max on a cycle ergometer twice before and twice after the training program. The mean increase inV˙o 2 max reached ∼400 ml/min, but there was considerable heterogeneity in responsiveness, with some individuals experiencing little or no gain, whereas others gained 〉 1.0 l/min. An ANOVA revealed that there was 2.5 times more variance between families than within families in theV˙o 2 max response variance. With the use of a model-fitting procedure, the most parsimonious models yielded a maximal heritability estimate of 47% for the V˙o 2 max response, which was adjusted for age and sex with a maternal transmission of 28% in one of the models. We conclude that the trainability ofV˙o 2 max is highly familial and includes a significant genetic component.
    Type of Medium: Online Resource
    ISSN: 8750-7587 , 1522-1601
    URL: Article
    DOI: 10.1152/jappl.1999.87.3.1003
    RVK:
    WA 15000
    RVK:
    XA 52094
    Language: English
    Publisher: American Physiological Society
    Publication Date: 1999
    detail.hit.zdb_id: 1404365-8
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    SSG: 31
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  • 8
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    The Na + -K + -ATPase α2 gene and trainability of cardiorespiratory endurance: the HERITAGE Family Study
    American Physiological Society ; 2000
    In:  Journal of Applied Physiology Vol. 88, No. 1 ( 2000-01-01), p. 346-351
    Details
    In: Journal of Applied Physiology, American Physiological Society, Vol. 88, No. 1 ( 2000-01-01), p. 346-351
    Abstract: The Na + -K + -ATPase plays an important role in the maintenance of electrolyte balance in the working muscle and thus may contribute to endurance performance. This study aimed to investigate the associations between genetic variants at the Na + -K + -ATPase α2 locus and the response (Δ) of maximal oxygen consumption (V˙o 2 max ) and maximal power output (W˙ max ) to 20 wk of endurance training in 472 sedentary Caucasian subjects from 99 families. V˙o 2 max andW˙ max were measured during two maximal cycle ergometer exercise tests before and again after the training program, and restriction fragment length polymorphisms at the Na + -K + -ATPase α2 (exons 1 and 21–22 with Bgl II) gene were typed. Sibling-pair linkage analysis revealed marginal evidence for linkage between the α2 haplotype and ΔV˙o 2 max ( P= 0.054) and stronger linkages between the α2 exon 21–22 marker ( P = 0.005) and α2 haplotype ( P = 0.003) and ΔW˙ max . In the whole cohort, ΔV˙o 2 max in the 3.3-kb homozygotes of the exon 1 marker ( n = 5) was 41% lower than in the 8.0/3.3-kb heterozygotes ( n = 87) and 48% lower than in the 8.0-kb homozygotes ( n = 380; P = 0.018, adjusted for age, gender, baselineV˙o 2 max , and body weight). Among offspring, 10.5/10.5-kb homozygotes ( n = 14) of the exon 21–22 marker showed a 571 ± 56 (SE) ml O 2 /min increase inV˙o 2 max , whereas the increases in the 10.5/4.3-kb ( n = 93) and 4.3/4.3-kb ( n= 187) genotypes were 442 ± 22 and 410 ± 15 ml O 2 /min, respectively ( P = 0.017). These data suggest that genetic variation at the Na + -K + -ATPase α2 locus influences the trainability ofV˙o 2 max in sedentary Caucasian subjects.
    Type of Medium: Online Resource
    ISSN: 8750-7587 , 1522-1601
    URL: Article
    DOI: 10.1152/jappl.2000.88.1.346
    RVK:
    WA 15000
    RVK:
    XA 52094
    Language: English
    Publisher: American Physiological Society
    Publication Date: 2000
    detail.hit.zdb_id: 1404365-8
    SSG: 12
    SSG: 31
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  • 9
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    Age, sex, race, initial fitness, and response to training: the HERITAGE Family Study
    American Physiological Society ; 2001
    In:  Journal of Applied Physiology Vol. 90, No. 5 ( 2001-05-01), p. 1770-1776
    Details
    In: Journal of Applied Physiology, American Physiological Society, Vol. 90, No. 5 ( 2001-05-01), p. 1770-1776
    Abstract: Effects of age, sex, race, and initial fitness on training responses of maximal O 2 uptake (V˙o 2 max ) are unclear. Data were available on 435 whites and 198 blacks (287 men and 346 women), aged 17–65 yr, before and after standardized cycle ergometer training. Individual responses varied widely, butV˙o 2 max increased significantly for all groups. Responses by men and women and by blacks and whites of all ages varied widely. There was no sex difference for change (Δ) inV˙o 2 max (ml · kg −1 · min −1 ); women had lower initial values and greater relative (%) increases. Blacks began with lower values but had similar responses. Older subjects had a lower Δ but a similar percent change. BaselineV˙o 2 max correlated nonsignificantly with ΔV˙o 2 max but significantly with percent change. There were high, medium, and low responders in all age groups, both sexes, both races, and all levels of initial fitness. Age, sex, race, and initial fitness have little influence onV˙o 2 max response to standardized training in a large heterogeneous sample of sedentary black and white men and women.
    Type of Medium: Online Resource
    ISSN: 8750-7587 , 1522-1601
    URL: Article
    DOI: 10.1152/jappl.2001.90.5.1770
    RVK:
    WA 15000
    RVK:
    XA 52094
    Language: English
    Publisher: American Physiological Society
    Publication Date: 2001
    detail.hit.zdb_id: 1404365-8
    SSG: 12
    SSG: 31
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  • 10
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    Primary structure of hydrogenase from Clostridium pasteurianum
    American Chemical Society (ACS) ; 1991
    In:  Biochemistry Vol. 30, No. 40 ( 1991-10-08), p. 9697-9704
    Details
    In: Biochemistry, American Chemical Society (ACS), Vol. 30, No. 40 ( 1991-10-08), p. 9697-9704
    Type of Medium: Online Resource
    ISSN: 0006-2960 , 1520-4995
    URL: Article
    DOI: 10.1021/bi00104a018
    RVK:
    WA 15000
    Language: English
    Publisher: American Chemical Society (ACS)
    Publication Date: 1991
    detail.hit.zdb_id: 1472258-6
    SSG: 12
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