February 14

NapoleonB Gene 25 (2/11/19)

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Rationale:

Start annotating NapoleonB. Once NapoleonB fully genome is annotated, the process of brainstorming research questions about NapoleonB can begin.

Tools:

  • DNA Master
  • NCBI
  • PhagesDB
  • GeneMark
  • HHPred
  • Phamerator
  • phage notes

Procedure:

  1. Auto-annotated NapoleonB FASTA file.
  2. Conducted a GeneMark on NapoleonB.
  3. Determined the stop and start with the highest coding potential for gene 25 based off the “Choose ORF Start” window and the GeneMark.
  4. Performed a HHPred search on NapoleonB gene 25.
  5. BLAST was performed on NapoleonB gene 25 through both NCBI and PhagesDB.
  6. Annotated NapoleonB gene 25.

Results:

The following image shows NapoleonB gene 25’s annotation.

The following images were examined to determine whether or not there was enough supporting evidence for a function.

HHPred Results

NCBI BLAST Results

CDD Results

BLAST PhagesDB Results

Phamerator Comparison

Conclusion:

A difficult call occurred when determining whether or not there was enough supporting evidence for gene 25 to have a function. HHPred called a holin function with a 99.92 probability. CDD also called the holin function. Both BLAST results showed a low percent alignment, but the E-values were acceptable. On Phamerator, none of the other AM cluster genes have the holin function labeled on them. Gene 25 was annotated with the holin function.

Future Work:

Annotate NapoleonB genes 26-28.


Posted February 14, 2019 by Kathryn Adkins in category Kathryn Adkins

About the Author

Kathryn Adkins is currently a freshman attending Baylor University majoring in neuroscience with a minor in biochemistry.  She hopes to one day earn an M.D./Ph.D. and become a pediatric oncologist and cancer researcher. Kathryn volunteers at Cook Children’s Hospital in Fort Worth and is actively involved in AMSA (American Medical Student Association) and BURST (Baylor University Research in Science and Technology).

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