Re: NANFA-- My nanometers request answered

Bruce Stallsmith (fundulus_at_hotmail.com)
Sun, 21 Jan 2001 14:31:45 -0500

<x-flowed>
>From: "Bob Bock" <bockhouse_at_earthlink.net>
>Reply-To: nanfa_at_aquaria.net
>To: <nanfa_at_aquaria.net>
>Subject: Re: NANFA-- My nanometers request answered
>Date: Sun, 21 Jan 2001 13:46:40 -0500
>
>Either of you remember what wavelength anthocyanin needs? I assume that's
>what makes red algae red.

I think that anthocyanin is part of the pigment family called phycobilins,
which includes phycoerythrin. These are reddish pigments, allowing the red
algaes to absorb filtered wavelengths (blue & green) in fairly deep waters
in which red light has been extinguished. They also have various forms of
chlorophyll depending on depth; shallower algae have more chlorophyll, often
masking the phycobilins.

--Bruce Stallsmith
Huntsville, AL

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