And they were banked into GenBank with accession numbers.All 17 ESTs might be for novel genes related to compaction in compacted embryos.

• 这17个片段均可能为与紧密化密切相关的新基因的表达片段，为进一步克隆新的紧密化相关基因的全长cDNA及后续新基因的结构和功能研究打下基础。