منابع مشابه
From earwigs to humans
Both direct, and evolved, behavior-based approaches to mobile robots have yielded a number of interesting demonstrations of robots that navigate, map, plan and operate in the real world. The work can best be described as attempts to emulate insect level locomotion and navigation, with very little work on behavior-based non-trivial manipulation of the world. There have been some behavior-based a...
متن کاملUnderstanding Hagfish Embryology
zoologists, especially in the context of vertebrate evolution. Embryological information on these animals is now also needed in the field of evolutionary developmentaT biology {Evo-Devo), as it is expected to provide hints about the origin of vertebrate traits, whether the hagfishes are an inor outgroup of vertebrates,This review summarizes the importance of hagtish embryology from a phylogenet...
متن کاملFrom Mice to Humans
The genomes of many species have now been completely sequenced including human and mouse. Great progress has been made in understanding the complex genetics that underlie diabetes and obesity in human populations. One of the current challenges is the functional identification and characterization of the genes within loci that are being mapped. There are many approaches to this problem and this ...
متن کاملHagfish pump some iron
Along with other nutrients, animals need trace metals to function. Iron, the oxygenbinding component in the blood pigment hemoglobin, is a critical trace metal and is usually absorbed through the gut. Mammals can alter iron metabolism in order to meet oxygen demand during periods of low environmental oxygen – hypoxia. However, it was unknown whether hagfish – a much more primitive group of anim...
متن کاملStructure and Function of Lactate Dehydrogenase from Hagfish
The lactate dehydrogenases (LDHs) in hagfish have been estimated to be the prototype of those in higher vertebrates. The effects of high hydrostatic pressure from 0.1 to 100 MPa on LDH activities from three hagfishes were examined. The LDH activities of Eptatretus burgeri, living at 45-60 m, were completely lost at 5 MPa. In contrast, LDH-A and -B in Eptatretus okinoseanus maintained 70% of the...
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ژورنال
عنوان ژورنال: Academic Medicine
سال: 2012
ISSN: 1040-2446
DOI: 10.1097/acm.0b013e3182444c1b