Complete gene sequence of spider attachment silk protein (PySp1) reveals novel linker regions and extreme repeat homogenization

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• 作者：Ro Crystal Chaw^a ; ^{ro.chaw@ucr.edu} ; Christopher A. Saski^b ; ^{saski@clemson.edu} ; Cheryl Y. Hayashi^a ; ^c ; ^{cheryl.hayashi@ucr.edu} ; ^{chayashi@amnh.org}
• 关键词：Pyriform silk ; Argiope argentata ; Intragenic homogenization ; Linker
• 刊名：Insect Biochemistry and Molecular Biology
• 出版年：2017
• 出版时间：February 2017
• 年：2017
• 卷：81
• 期：Complete
• 页码：80-90
• 全文大小：3772 K
• 卷排序：81

文摘

Full-length sequence of the gene encoding pyriform spidroin 1 (PySp1) from the silver garden spider Argiope argentata. Bridging the amino-terminal and repetitive regions, A. argentata PySp1 has an exceptionally long and repetitive “linker”. Hydrophobicity and secondary structure of A. argentata PySp1 suggest pyriform silk fiber functional properties. A. argentata PySp1 repeats are nearly identical, indicating extreme intragenic homogenization. Comparison of PySp1 repeats across species reveals variability in two sub-repetitive expansion regions.