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User:MKoert

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CACAO Phage Hunters 2018

My Annotations

StatusPageDate/TimeGO Term (Aspect)ReferenceEvidenceNotesLinks
acceptable9CAUD:Q7Y4H82018-03-01 12:58:33 CSTGO:0061783 peptidoglycan muralytic activity (F)PMID:15058185ECO:0000314 direct assay evidence used in manual assertion

Expression and activity of lytic enzyme was confirmed in Figures 2A/B through SDS Page and an in situ assay. Figure A showed expression of lytic enzyme in ecoli vector plasmid. Figure B showed lytic activity corresponding to the molar mass of a 42kDA protein.

challenge
acceptableBPHK7:Q9MCS42018-03-17 22:14:41 CDTGO:0098669 superinfection exclusion (P)PMID:22797755ECO:0000315 mutant phenotype evidence used in manual assertion

Evidence from figure 1: western blot and plaque assays show HK97 gp15 inhibiting phage infection when compared to a nonsense mutation. It shows this by adding a transformed plasmid into the host cells, one where it expresses gp15 and the other with a nonsense mutation. When expressing gp15 it prevents the growth of HK97 and inhibits the growth of several related phages but there is no similar effect in the nonsense mutation implying that gp15 is the cause of super infection exclusion.

challenge
acceptableBPHK0:VNUN2018-04-15 23:19:28 CDTGO:0032785 negative regulation of DNA-templated transcription, elongation (P)PMID:24853501ECO:0000314 direct assay evidence used in manual assertion

Figure 1B shows an assay showing the TEC complex formation time lapsed. The assay shows that in the wild type subjects there was an increased rate of pausing is occurring when compared to the knockout phenotype. Additionally there was shown to be RNAP arrest which can be observed in comparing lanes 3 and 6. This together shows that nun is regulating transcription elongation.

challenge

acceptable:3
unacceptable:0
requires_changes:0
flagged:0

Annotations challenged by MKoert

StatusAuthor,GroupPageGO Term (Aspect)ReferenceEvidenceLinksPage history
updatedbyinstructorDFrank,
Team Green A 2018
9VIRU:A0A088FLK9GO:0051715 - cytolysis in another organism (P)PMID:26375388ECO:0000314 direct assay evidence used in manual assertionchallengeC: 1
acceptableRPatel,
Team Green B 2018
I34A1:PAGO:0004519 - endonuclease activity (F)PMID:16873236ECO:0000315 mutant phenotype evidence used in manual assertionchallengeC: 1

0 annotations fixed by MKoert

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