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Thread: erythristic?

  1. #41
    Forum Moderator Stefan-A's Avatar
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    Re: erythristic?

    Quote Originally Posted by BUSHSNAKE View Post
    since when did Erythrin pigments have to do with yellow?
    Yellow isn't always caused by xanthine.

    edit: I made the assumption here that the chromatophores in question actually use erythrine and xanthine. I have not confirmed it.
    Last edited by Stefan-A; 03-27-2010 at 12:05 PM.

  2. #42
    "PM Boots For Custom Title" BUSHSNAKE's Avatar
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    Re: erythristic?

    do you have a good example?

  3. #43
    Forum Moderator Stefan-A's Avatar
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    Re: erythristic?

    Quote Originally Posted by BUSHSNAKE View Post
    do you have a good example?
    Well, the corn snake was already mentioned. Is there something about them that I've possible overlooked?

  4. #44
    "PM Boots For Custom Title" BUSHSNAKE's Avatar
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    Re: erythristic?

    whats that an example of? whats the connection?

  5. #45
    "PM Boots For Custom Title" BUSHSNAKE's Avatar
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    Re: erythristic?

    anery corns have yellow pigment

  6. #46
    Forum Moderator Stefan-A's Avatar
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    Re: erythristic?

    Quote Originally Posted by BUSHSNAKE View Post
    anery corns have yellow pigment
    But not all of it and the gene that prevents the production of red pigment in anery corns also seems to remove much of the normal orange and yellow. The yellow along the throat on the anery should be produced by something unaffected by the mutation.
    Last edited by Stefan-A; 03-27-2010 at 12:13 PM.

  7. #47
    "PM Boots For Custom Title" BUSHSNAKE's Avatar
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    Re: erythristic?

    how much yellow do you think a corn has?

  8. #48
    Forum Moderator Stefan-A's Avatar
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    Re: erythristic?

    Quote Originally Posted by BUSHSNAKE View Post
    how much yellow do you think a corn has?
    Depends on how you define yellow, depends on the corn and depends on the lighting.

  9. #49
    "Third shed, A Success" MasSalvaje's Avatar
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    Re: erythristic?

    Quote Originally Posted by BUSHSNAKE View Post
    since when did Erythrin pigments have to do with yellow?
    Good question. I probably did not word it very well, so in an attempt to explain it a little better I will refer to Jeff Benfer's words found at this link:


    http://gartersnakemorph.com/Snake-Genetics.php

    And share these words of his:
    Anerythristic is a genetic mutation that causes the lack of erythrin resulting in a color dull snake of blacks and grays, sometimes blueish or greenish gray, which actually make for a beautiful snake even though it lacks the bright reds, oranges and yellows. The terms anerythristic and axanthic with their respective applications and usage, can be a bit confusing to say the least, especially if you look at their usage within multiple different snake groups. Keep in mind that these terms are merely an attempt to distiguish and describe the visual phenotype, and is often simply a guess a what is occuring on the biochemical pigment level. Often times what determines weather a morph is called anerythristic versus axanthic is relative to what has changed in the morph when compared to the base or wild type colors. Some examples of anerythristics and axanthics also appear to also have an increase in black color or melanin, and could arguable be called melanistic as well, such is the case with the anerythristic plains garter.
    The anerythristic plains garter is a jet black snake with black eyes, yet it still retains its checkering pattern and is not a solid black snake like the melanistic eastern.
    So when it comes down to it, it is about what appears to be happening visually not necessarily what is happening chemically.

    And to ConcinnusMan, I hope this statement better answers your questions on the differences between Anerythristic and Melanistic.

    I highly recommend Jeff's genetics page! there is a lot of good info that comes from someone that I would guess has more knowledge on the subject than any of us, and the best part is he makes it simple to understand.

    -Thomas

  10. #50
    "PM Boots For Custom Title" BUSHSNAKE's Avatar
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    Re: erythristic?

    the anerythristic and axathic morphs in this hobby of ours are true to the name(anery boa, axanthic bullsnake,anery hondo milk,axanthic hognose,axanthic brooks king and as far as the anery plains garters go they are melanistic and they act axanthic when bred to an albino CUZZZ it takes away the YELLOW

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