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Fig. 4. H+-ATPase B subunit expression determined by immunoblotting in
ammocoetes (white bars) and transformers (grey bars) of P. marinus.
(A) Ammocoetes and transformers (stages 3–5) acclimated to freshwater
(FW) and 25
salinity and sampled from the Fort River, MA, USA (hatched
bars). (B) Ammocoetes and transformers (stage
6) acclimated to deionized
water (DW), FW or a salinity of 10, 20, 30 and 35
. Bars with like
characters are not significantly different (ANOVA; P<0.05). Upper
and lower case characters are used for transformers (TR) and ammocoetes (AM),
respectively, in B. Representative immunoblots of sea lamprey ammocoete and
transformer gill probed with the H+-ATPase B subunit antibody
B2/BvA1 are shown above their respective bars.