Research Topics
| J H MardenSummaryAffiliation: Pennsylvania State University Country: USA Publications
| Collaborators
|
Detail Information
Publications
Variability in the size, composition, and function of insect flight musclesJ H Marden
Department of Biology, Pennsylvania State University, University Park 16802, USA
Annu Rev Physiol 62:157-78. 2000..Insects have evolved a wide variety of ways to adjust flight muscle size and contractile performance in order to meet demands imposed by variation in life history and ecology...- Aerial performance of Drosophila melanogaster from populations selected for upwind flight abilityJ H Marden
Department of Biology, Pennsylvania State University, University Park 16802, USA
J Exp Biol 200:2747-55. 1997.... - Quantitative and evolutionary biology of alternative splicing: how changing the mix of alternative transcripts affects phenotypic plasticity and reaction normsJ H Marden
Department of Biology, 208 Mueller Lab, Pennsylvania State University, University Park, PA 16802, USA
Heredity 100:111-20. 2008.... - Scaling of maximum net force output by motors used for locomotionJames H Marden
208 Mueller Laboratory, Department of Biology, University Park, PA 16802, USA
J Exp Biol 208:1653-64. 2005..Because of declining mass specific Fmax, there is little or no potential for biological or engineered motors or rockets larger than those already in use... - Weight and nutrition affect pre-mRNA splicing of a muscle gene associated with performance, energetics and life historyJames H Marden
Department of Biology, 208 Mueller Laboratory, Pennsylvania State University, University Park, PA 16802, USA
J Exp Biol 211:3653-60. 2008..Overall, these results show that AS of a muscle gene responds in a quantitative fashion to whole-organism variables, which apparently serves to coordinate muscle strength and energy expenditure with body condition and life history... - Molecules, muscles, and machines: universal performance characteristics of motorsJames H Marden
Department of Biology, 208 Mueller Laboratory, Pennsylvania State University, University Park, PA 16802, USA
Proc Natl Acad Sci U S A 99:4161-6. 2002..Remarkably, this finding indicates that most of the motors used by humans and animals for transportation have a common upper limit of mass-specific net force output that is independent of materials and mechanisms... - Alternative splicing, muscle contraction and intraspecific variation: associations between troponin T transcripts, Ca(2+) sensitivity and the force and power output of dragonfly flight muscles during oscillatory contractionJ H Marden
208 Mueller Laboratory, Department of Biology, Pennsylvania State University, University Park, PA 16802, USA
J Exp Biol 204:3457-70. 2001..Thus, there is broad intraspecific variability and a high degree of population structure for contractile performance phenotypes, TnT ribotypes and ontogenetic patterns involving these traits that affect locomotor performance... - Surface-skimming stoneflies and mayflies: the taxonomic and mechanical diversity of two-dimensional aerodynamic locomotionJ H Marden
Department of Biology, 208 Mueller Laboratory, Pennsylvania State University, University Park, PA 16802, USA
Physiol Biochem Zool 73:751-64. 2000..This may also be true for the common ancestor of stoneflies and mayflies, that is, the first winged insects. We combine these data with fossil evidence to form a synthetic model for the evolution of flying insects from surface skimmers... - A hierarchical analysis of the scaling of force and power production by dragonfly flight motorsRudolf J Schilder
Department of Biology, Pennsylvania State University, University Park, PA 16802, USA
J Exp Biol 207:767-76. 2004..0) scaling of force output by the intact musculoskeletal system is accomplished. We also show that maximum muscle mass-specific net work and power output available scale as mass(0.43) and mass(0.24), respectively... - Rapid transcriptome characterization for a nonmodel organism using 454 pyrosequencingJ Cristobal Vera
Department of Biology, 208 Mueller Laboratory, Pennsylvania State University, University Park, PA 16802, USA
Mol Ecol 17:1636-47. 2008..This development narrows the gap between approaches based on model organisms with rich genetic resources vs. species that are most tractable for ecological and evolutionary studies... - Parasites, proteomics and performance: effects of gregarine gut parasites on dragonfly flight muscle composition and functionRudolf J Schilder
Department of Biology, 208 Mueller Lab, Pennsylvania State University, University Park, PA 16802, USA
J Exp Biol 210:4298-306. 2007..e. across body compartments) that, either alone or in combination with other unmeasured changes, alter muscle contractile performance... - Aerial performance of stalk-eyed flies that differ in eye spanJ G Swallow
Department of Biology, University of Maryland, College Park 20782, USA
J Comp Physiol B 170:481-7. 2000..whitei males, increased drag, aerodynamic effects from the wake of the eye stalks, and constrained visual processing are possible mechanisms which could cause their reduced performance... - Mite not make it home: tracheal mites reduce the safety margin for oxygen delivery of flying honeybeesJ F Harrison
Department of Biology, Arizona State University, Tempe, AZ 85287 1501, USA and Departments of Entomology and Biology, Pennsylvania State University, University Park, Pennsylvania, PA 16802, USA
J Exp Biol 204:805-14. 2001..In support of this hypothesis, bees that were unable to return to the hive during late-winter flights showed significantly higher levels of mite infection than bees that returned safely... - Metabolic syndrome and obesity in an insectRudolf J Schilder
Department of Biology, 208 Mueller Laboratory, Pennsylvania State University, University Park, PA 16802, USA
Proc Natl Acad Sci U S A 103:18805-9. 2006..In addition to expanding the known taxonomic breadth of metabolic disease, these results indicate that insects may be useful experimental models for studying its underlying biology and mechanisms... - Conditional tradeoffs between aging and organismal performance of Indy long-lived mutant fliesJames H Marden
Department of Biology, 208 Mueller Lab, Pennsylvania State University, University Park, PA 16802, USA
Proc Natl Acad Sci U S A 100:3369-73. 2003..These results provide evidence that there do exist mechanisms, albeit conditional, that can extend life span without significant reduction in fecundity, metabolic rate, or locomotion... - Diversity of stonefly hexamerins and implication for the evolution of insect storage proteinsSilke Hagner Holler
Institute of Zoology, Johannes Gutenberg University of Mainz, D 55099 Mainz, Germany
Insect Biochem Mol Biol 37:1064-74. 2007.... - Unifying constructal theory for scale effects in running, swimming and flyingAdrian Bejan
Duke University, Department of Mechanical Engineering and Materials Science, Durham, NC 27708 0300, USA
J Exp Biol 209:238-48. 2006..This theory, and the general body of work known as constructal theory, together now show that animal movement (running, flying, swimming) and fluid eddy movement (turbulent structure) are both forms of optimized intermittent movement... - A candidate locus for variation in dispersal rate in a butterfly metapopulationChristoph R Haag
University of Helsinki, Department of Biological and Environmental Sciences, PO Box 65, 00014 Helsinki, Finland
Proc Biol Sci 272:2449-56. 2005..These results also contribute to an emerging understanding of the mechanisms by which population turnover in heterogeneous landscapes may maintain genetic and phenotypic variation across populations... - A respiratory hemocyanin from an insectSilke Hagner-Holler
Institutes of Zoology and Molecular Biophysics, Johannes Gutenberg University of Mainz, 55099 Mainz, Germany
Proc Natl Acad Sci U S A 101:871-4. 2004..However, our results demonstrate that, in contrast to the accepted paradigm, certain basal insects have retained an ancestral blood-based mechanism of gas exchange... - Dropping like flies: environmentally induced impairment and protection of locomotor performance in adult Drosophila melanogasterStephen P Roberts
Department of Biological Sciences, University of Nevada Las Vegas, Las Vegas, NV 89154 4004, USA
Physiol Biochem Zool 76:615-21. 2003..HS dramatically reduced walking velocity, however, but this effect occurred primarily in the excision flies. These results suggest that Hsp70 and other mechanisms protect against heat-induced locomotor impairment... - Mapping determinants of variation in energy metabolism, respiration and flight in DrosophilaKristi L Montooth
Department of Molecular Biology and Genetics, Cornell University, Ithaca, New York 14853, USA
Genetics 165:623-35. 2003..This has important consequences for the evolution of performance traits that depend upon these metabolic networks...