Dictionary » B » Blast



1. (Science: biology, suffix) a suffix or terminal formative, used principally in biological terms, and signifying growth or formation. An immature precursor cell of the type indicated by the preceding word, for example; bioblast, epiblast, mesoblast, etc.

2. A violent gust of wind. A forcible stream of air from an orifice, as from a bellows, the mouth, etc. Hence: The continuous blowing to which one charge of ore or metal is subjected in a furnace; as, to melt so many tons of iron at a blast.

3. The terms hot blast and cold blast are employed to designate whether the current is heated or not heated before entering the furnace. A blast furnace is said to be in blast while it is in operation, and out of blast when not in use.

4. (Science: veterinary) a flatulent disease of sheep.

See: blast cell, blastema.

Origin: g. Blastos, germ

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peptidyl transferase

Depends what you know. If you have sequence, you can go to BLAST @NCBI http://blast.ncbi.nlm.nih.gov/Blast.cgi?PROGRAM=blastp&PAGE_TYPE=BlastSearch&LINK_LOC=blasthome and search directly against PDB database. Or you can go to PDB's advanced search ...

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by JackBean
Wed Nov 06, 2013 7:58 am
Forum: Cell Biology
Topic: peptidyl transferase
Replies: 2
Views: 1240

molecular question.

knowing the organism is crucial but given that its a general question a general answer would be that you would use a nucleotide blast (given that you have the gene sequence).

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by jwalin
Wed Aug 28, 2013 10:21 am
Forum: Molecular Biology
Topic: molecular question.
Replies: 5
Views: 1531

I feel like this should be simple!! Help!

... genes (SP_0001 is homologous to SPD_0045, for example). When he showed me this, he is actually looking up each gene, taking the sequence and blasting it against the other genome. I feel like this method will take me eons and so was wondering how I blast all the genes from TIGR4 against the ...

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by smc8339
Wed Jul 17, 2013 6:38 pm
Forum: Bioinformatics
Topic: I feel like this should be simple!! Help!
Replies: 2
Views: 1858

blastn and phylogenetic tree

just go to http://blast.ncbi.nlm.nih.gov/Blast.cgi# choose nucleotide blast, insert your sequences(you can put in all your five sequences at once in proper fasta format) and start the search...

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by JackBean
Wed May 29, 2013 2:00 pm
Forum: Molecular Biology
Topic: blastn and phylogenetic tree
Replies: 1
Views: 1216

Re: Codons are triplets, but what's a Singlet, Doublet, etc?

Thanks for the excellent keywords (BLAST algorithm) that worked great for finding ideas in the google search engine. I am familiar with the NCBI’s BLAST search engine and interface to their supercomputers, but until now the program has been ...

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by GaryGaulin
Thu Oct 25, 2012 2:15 am
Forum: Bioinformatics
Topic: Codons are triplets, but what's a Singlet, Doublet, etc?
Replies: 4
Views: 11609
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