Purity, concentration and yield of genomic DNA samples were estimated with
NanoDrop® ND-1000 (NanoDrop Technologies) with the purpose of evaluating parameters such as
quality and quantity. The DNA purity and concentration was directly measured by NanoDrop® ND-1000
system, while, the DNA yield was estimated, for each sample, comparing the quantity of genomic
DNA obtained with the quantity of tissue used (cf. Material and Methods). The DNA isolation can be
influenced by several factors like species, tissue preservation method and extraction procedure.
In molluscs this procedure is known to be challenging due to the high amount of mucopolysaccharides
and polyphenolic proteins present in these animals tissues