• http://www.ebioinfogen.com/microarray.htm

- Plasmid-related protocols

• http://www.ebioinfogen.com/plas_mid.htm

Data bases

- Protein

• http://www.rcsb.org/pdb/home/home.do

- Gene expression

• http://www.ncbi.nlm.nih.gov/projects/geo/

- Gene regulation

• http://www.gene-regulation.com/pub/databases.html
• http://www.cbil.upenn.edu/cgi-bin/tess/tess
• http://www.genomatix.de/online_help/help_eldorado/introduction.html

- Entrez

• http://www.ncbi.nlm.nih.gov/Database/

- Online Mendelian Inheritance in Man

• http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=OMIM

Analysis of phosphorylation sites

• http://bioinformatics.lcd-ustc.org/PPSP/
• http://973-proteinweb.ustc.edu.cn/gps/gps_web/links.php
• http://phospho.elm.eu.org/links.html

Bookshelf (on-line access to textbooks)

• http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=Books

Annual impact factor 2002-2004

• http://www.cncsis.ro/PDF/IF_2004.pdf

DNA sequencing core Virginia Tech (password required)

• https://lims.vbi.vt.edu:8443/graphlogic/index.do

Xenopus Links

• http://www.xlaevis.com/ A fine site with a quick overview of useful info on handling, housing, husbandry, etc.
• http://www.xenopus.com/husbandry.htm Loads of info on care of adult Xenopus.
• http://www.enasco.com/prod/Static?page=xenopus We buy our frogs exclusively from Nasco
• http://genome.jgi-psf.org/Xentr3/Xentr3.home.html A full-service site for X. tropicalis info.
• http://www.sanger.ac.uk/cgi-bin/blast/submitblast/x_tropicalis Blast for Xenopus ESTs.
• http://xenopus.nibb.ac.jp/ The web-catalog for the NIBB Xenopus EST database, now includes an in situ pattern browser.
• http://www.xenbase.org/ The full-service Xenopus Community website.
• http://worms.zoology.wisc.edu/frogs/mainmenu.html Really cool amphibian embryology tutorial.

if you are interested in how water quality in your Xenopus colony affects the eggs you get. Please read:

Green SL. Factors affecting oogenesis in the South African clawed frog (Xenopus laevis). Comp Med. 2002 Aug;52(4):307-12. (http://www.ncbi.nlm.nih.gov:80/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=12211272)

Godfrey EW, Sanders GE. Effect of water hardness on oocyte quality and embryo development in the African clawed frog (Xenopus laevis). Comp Med. 2004 Apr;54(2):170-5 (http://www.ncbi.nlm.nih.gov:80/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=15134362)