Taxonomy ITIS, the Integrated Taxonomic Information System http://www.itis.gov/
Taxonomy database http://www.ncbi.nlm.nih.gov/sites/entrez?db=Taxonomy
GRIN Taxonomy for Plants http://www.ars-grin.gov/cgi-bin/npgs/html/index.pl
Telomere TelDB (Human Telomere Information database) http://www.genlink.wustl.edu/teldb/index.html
Telomere Database http://www.fhcrc.org/science/labs/bedalov/telomeredatabase.html
Telomere (List of Telomere Information) http://www.biophysica.com/telomere.html
Teratogens Teratogens information http://www.kumc.edu/gec/support/teratogen.html
Teratogen Information System (TERIS) http://depts.washington.edu/terisweb/teris/
Thalassiosira pseudonana Diatom EST Database: ESTs from two diatom algae, Thalassiosira pseudonana and Phaeodactylum tricornutum http://www.biologie.ens.fr/diatomics/EST/
tmRNA TMRDB (tmRna Database) http://www.ag.auburn.edu/mirror/tmRDB/
Topology Membrane Protein Topology (MPtopo) database http://blanco.biomol.uci.edu/mptopo/
Toxicogenomics CTD: The Comparative Toxicogenomics Database http://ctd.mdibl.org/
Toxicogenomics Database (List) http://www.hesiglobal.org/Committees/TechnicalCommittees/Genomics/EBI+Toxicogenomics.htm
CEBS: Database of toxicogenomics, microarray and proteomics data http://cebs.niehs.nih.gov/
Transcript BCM Human Transcript Database Home Page http://www.hgsc.bcm.tmc.edu/HTDB/
Bursal Transcript Database http://pheasant.gsf.de/DEPARTMENT/DT40/dt40Transcript.html
DPUC Transcripts database http://www.dpuc.state.ct.us/DPUCTran.nsf?OpenDatabase
NATsDB: Natural Antisense Transcripts DataBase http://www.pubmedcentral.nih.gov/botrender.fcgi?blobtype=html&pubmedid=17082204
Experimentally verified orthologous transcription factor binding sites http://genome.imim.es/datasets/abs2005/
DBTSS: Database of transcriptional start sites http://dbtss.hgc.jp/
Transcription factor DBD: Transcription factor prediction database http://www.transcriptionfactor.org/
Transduction Microbial Signal Transduction Database http://genomics.ornl.gov/mist/
Sentra is a database of Sensory Signal Transduction Proteins http://compbio.mcs.anl.gov/sentra/
tRna G-tRNA-db: The Genomic tRNA Database http://lowelab.ucsc.edu/GtRNAdb/
Archaeal tRNA database http://splits.iab.keio.ac.jp/database.html
tRNA Database interface http://library.med.utah.edu/RNAmods/trnabase/
Transgenic DATABASES; TRANSGENICS (List) http://www.bioscience.org/urllists/transgen.htm
MTDB (Mammalian Transgene Database) http://tyrosine.biomedcomp.com/4d.acgi$mDispGene?GH1
Cre transgenic database http://www.mshri.on.ca/nagy/Cre-works.htm
Transgenic Web Sites (List of colleges) http://www.med.umich.edu/tamc/links.html
Transporters Archaeal and bacterial ABC transporters http://www-abcdb.biotoul.fr/
Transposon Mouse Transposon Insertion Database http://mouse.ccgb.umn.edu/transposon/
Transposon Database - Germline SB transposon http://transposon.abcc.ncifcrf.gov/cgi-bin/germline/list_all.cgi
Tree Tree Index http://www.fs.fed.us/database/feis/plants/tree/
Agroforestree Database http://www.worldagroforestrycentre.org/sites/TreeDBS/aft.asp
UniProtKB/TrEMBL http://www.ebi.ac.uk/trembl/
Tribolium castaneum BeetleBase: Genome database of the beetle Tribolium castaneum http://www.bioinformatics.ksu.edu/BeetleBase/
Tryptophan dl-Tryptophan (Dl-tryptophan: Carcinogenic Potency Database) http://potency.berkeley.edu/chempages/DL-TRYPTOPHAN.html
Tumor The Tumor Gene Family Databases http://www.tumor-gene.org/tgdf.html
Online CGH Tumor Database http://amba.charite.de/~ksch/cghdatabase/index.htm
Primary Tumor Data Base http://www.ailab.si/orange/doc/datasets/primary-tumor.htm
Rare Breast Tumor - Breast Cancer Database http://www.rare-cancer.org/breast-tumor/overview.html
BRAINLIFE - Brain Tumor Medical Database http://www.brainlife.org/
Tumor suppressor gene database http://www.cise.ufl.edu/~yy1/HTML-TSGDB/Homepage.html
ITTACA.(Integrated Tumor Transcriptome Array and Clinical data Analysis) http://bioinfo-out.curie.fr/ittaca/
RTKdb (Database of receptor tyrosine kinase) http://pbil.univ-lyon1.fr/RTKdb/
Tunicate DBTGR: A database of tunicate (Ciona) gene regulation http://dbtgr.hgc.jp/