By Stephen J. Warburton, Warren W. Burggren, Bernd Pelster, Carl L. Reiber, John Spicer
Comparative developmental body structure is a starting to be self-discipline studying a range of organisms as they rework from unmarried cells to mature, reproductive contributors. This number of unique, leading edge essays emerged from a Roundtable on Comparative Developmental body structure held in Glen Rose, Texas in the summertime of 2002. This assembly introduced jointly investigators learning the body structure of constructing animals to be able to establish the field's power contributions to biology. The contributors honed in on universal rising issues and destiny objectives, that are mirrored within the chapters inside of. The nascent group of comparative developmental physiologists was once challenged to enlarge the ability of information assortment and power improvement by way of targeting a number of decide upon version organisms, whereas nonetheless utilising the ability of the wider, extra conventional comparative process. Evolution has supplied comparative developmental physiologists with notable organic variety, which they've got used to enquire a huge diversity of questions severe for realizing how lifestyles works. This is going past the fundamental nuts and bolts of mobile mechanisms to the practical complete, from the mechanistic point to behaviour inside of and among organisms. The union of developmental biology with the breadth of comparative body structure holds a lot promise for a deeper figuring out of evolutionary techniques.
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Extra info for Comparative Developmental Physiology: Contributions, Tools, and Trends
Goerke J (1998). Pulmonary surfactant: functions and molecular composition. Biochimica et Biophysica Acta, 1408, 79–89. Goerke J and Clements JA (1985). Alveolar surface tension and lung surfactant. ), Handbook of Physiology, Section 3: The Respiratory System, Vol. III: Mechanics of Breathing, Part I, pp. 247–60. American Physiological Society, Washington, DC. Haagsman HP and Diemel RV (2001). Surfactant-associated proteins: functions and structural variation. Comparative Biochemistry and Physiology A, 129, 91–108.
1 Summary of in vivo imaging methods Imaging method Typical spatial resolution Transparent specimen required? 3 µm Yes Required (fluorescent) Optional Yes Poor 33–40 msd 1 mse 2 ms per line scan 300 ms per sectionf Currently poor 10 µm 1 µm 1 µm No No No Optional Optional Optional Yes Yes No 80 ms per section 100 ms per section 10 ms per section 50 µm 5 µm No Preferred Optional Optional No Yes 100 ms per section 100 ms per section 1 mm No Required (positron emitting) Yes Poor a Multiple image sections from most of these methods can be used for 3D reconstruction; we note whether the technique is usually used this way or not.
Scale bars = 100 µm. between muscle fiber angle, myoseptal architecture, and biomechanical function (Brainerd and Azizi 2005; J. Paul, E. Brainerd, and M. Hale, in progress). In addition to the relative simplicity of their myomeres, larval zebrafish are also a good system for this work because their 3D muscle fiber angles and myomere shapes can be visualized by optical sectioning with laser scanning confocal microscopy. This technique is orders of magnitude faster than physical sectioning, yet produces highresolution sections and 3D reconstructions of complex morphology.
Comparative Developmental Physiology: Contributions, Tools, and Trends by Stephen J. Warburton, Warren W. Burggren, Bernd Pelster, Carl L. Reiber, John Spicer