Download Biology and Evolution of the Mexican Cavefish by Alex Keene, Masato Yoshizawa, Suzanne Elaine McGaugh PDF

By Alex Keene, Masato Yoshizawa, Suzanne Elaine McGaugh

Biology and Evolution of the Mexican Cavefish beneficial properties contributions via best researchers in a accomplished, detailed paintings that examines a couple of specified components of biology—evolution, improvement, ecology, and behavior—using the Mexican cavefish as a robust version approach to extra knowing of uncomplicated organic strategies comparable to eye degeneration, listening to, craniofacial improvement, sleep, and metabolic functionality.

These fish are at the moment getting used to raised comprehend a couple of matters with regards to human overall healthiness, together with age-related blindness, sleep, weight problems, mood-related problems, and getting older. the hot sequencing of the cavefish genome broadens the curiosity of the program to teams operating with assorted organic platforms, and has helped researchers determine genes that keep an eye on sleep, eye degeneration, and metabolic functionality.

Mexican cavefish are fairly strong for the research of organic procedures simply because those fish advanced independently in twenty-nine caves within the Sierra de el Abra zone of Northeast Mexico. those fish have dramatic variations to the cave atmosphere, and this is often used to spot genes considering disease-related characteristics.

This scholarly textual content may be of curiosity to researchers and scholars all through varied components of biology and ecology. It contains pictures of animals and behaviour in laboratory and usual settings that may additionally elevate curiosity and accessibility to non-experts.

  • Includes a mix of photographs and illustrations akin to the geographical distribution of cave swimming pools and the developmental biology of the fearful system
  • Features a spouse website with geographical maps
  • Fills a outstanding hole within the literature on a subject of huge curiosity to the clinical community
  • Presents the hot sequencing of the cavefish genome as a groundbreaking improvement for researchers operating with diversified organic systems

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Extra info for Biology and Evolution of the Mexican Cavefish

Sample text

This is a challenge to represent on a two-dimensional map. I rendered the new map in three translucent colors to depict the overlapping levels, and I labeled the pits in three series. 7. 4. 3. 13). It lies in the northern edge of the Arroyo Yerbaniz at an elevation of about 263 m. Although a relatively young opening, the entrance is of sufficient size to capture all the water flowing down the Arroyo Yerbaniz except at high flood stage. Water can move past the entrance at such times, as demonstrated in September 1969 when Bill Russell visited the cave entrance immediately after a very heavy rain.

We would like to propose a simple model that provides a general means for dating geological structures and when they were first exposed by erosion of the overlaying impervious layers. To simplify m ­ atters, exposure at El Abra began at an undetermined time within the Miocene era; therefore, the model will use the lower Miocene (20 mya) and the upper Miocene (5 mya) as the high and low brackets for estimating dates. The highest point at Sierra de El Abra is at an altitude close to 800 m msl (as reported in Google Earth, 2014).

Sótano de Soyate is the deepest cavefish site in the southern Sierra de El Abra. Its 195-m entrance pitch leads to two short pitches to a large, clear lake at −234 m. , 1977). In Soyate, the surface of the lake was at 59 m msl, and the bottom of the lake was at 6 m msl, 29 m below the surface outlet of the Nacimiento del Río Choy. No flow direction was observed, but because of its deep bottom, the cave likely is a major conduit to the south and the Nacimiento del Río Choy. See further discussion of the cave’s ecology in Chapter 2.

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