Assignment
MYSTERY MOLECULE PROJECT, PART II (20 points total)BIO1001 Fall 2020To complete the remainder of this project and prepare for your presentation, follow the instructions below. Your presentation should include the answers to all questions indicated below. For your final presentation, you are expected to organize your research and present a rehearsed, 10-12 minute presentation using the rubric at the end of this document as a guideline for preparation.Learning ObjectivesAt the conclusion of this phase of the mystery molecule project, students will be able to1. Effectively navigate sequence databases of the NCBI websitea. BLAST DNA sequence against the human genomeb. Analyze alignment data from genomic databasesc. Identify an unknown gene based on DNA sequence2. Use the scientific literature (primary and secondary resources) to analyze gene products, and research the cellular and molecular basis of a disease gene.3. Organize scientific content into a coherent presentation.4. Communicate research results to a group of peers.Step 1: BLAST your DNA sequence1. Go to:http://www.ncbi.nlm.nih.gov/2. Click on BLAST (under popular resources at the right side of the screen)3. Choose the nucleotide blast program (under Web BLAST)4. In the blastn tab (on left) enter your DNA sequence into the enter query sequence box (obtain your mystery DNA sequences in the Mystery Molecule content area in D2L).a. In choose search set click the genomic + transcript databasesb. From the drop down menu below, select Human genomic + transcript (Human G + T)c. Under program selection in the next section down, optimize for highly similar sequences (megablast)5. Submit query (click on BLAST at the bottom of the screen) and wait this may take up to a few minutes.6. A colorized map of sequence alignment scores will appear. Red indicates very good sequence alignment.7. Scroll down to descriptions of sequences that produced statistically significant alignments. You should see options for genomic alignments and transcripts. An e-value close to zero, and maximum sequence identity close to 100% are optimal.8. Identify your mystery gene/transcript from the description, e-value, and % sequence identity.Step 2: Analysis of gene productClick on the reference number (left, in the column labeled, Accession) for the mRNA transcript or genomic sequence of your mystery gene. Scroll down; you will see many references (titles, authors, years of publication) describing your gene. Clicking on any one of the PubMed reference numbers will link you directly to the original publication. You will need these publications to characterize your gene for your presentation. Bookmark this pageall your references must be from primary or secondary sources (no google, wikipedia, textbooks, blogs, etc.).You must use a minimum of 7 references that can be found by searching NCBI/PubMed in the completion of your project-note that this may require you to utilize interlibrary loan, so plan ahead.From these references, the rest of NCBIs resources (PubMed, genes and disease area of NCBI, etc.), and the knowledge you gained from Part I of this project, you should be able to determine answers to the following questions:About the Gene:What is the name of your gene?Where in the human genome is your gene located (i.e., on which chromosome)?About the Disease:What disease is caused by mutation(s) in your gene?What are the symptoms and signs of the disease?How prevalent is the disease in the human population (how many people are affected; is it more likely to affect people based on gender/race/nationality; etc.)?What is the expected outcome for people with this disease? Is it deadly? If so, what is the mortality rate? If not, what treatment is available to people affected by the disease?What specific mutation(s) destroys the function of the gene product (NOTE: there may be more than one)?About the Gene Product (RNA and protein):How long is the mRNA transcript (in bases or kilobases)? Is there a difference between the wild-type and mutant forms?How many exons are present in the transcript? Is there a difference between the wild-type and mutant forms?How many amino acids are present in the final, wild-type protein product?What change(s) in amino acids is(are) present in the mutant allele of this gene? How many amino acids are present in the mutant protein product?About molecular mechanisms:How does mutation affect the structure of your protein? How do these structural changes influence the function of your protein (i.e., does the mutation affect an enzymes active site or allosteric site? Or perhaps a transmembrane domain?)What cellular and molecular processes are affected by mutation(s) in your gene? (NOTE: you might want to think of this in terms of major cellular systems, like transport, metabolism, structural proteins, etc.)Step 3: Preparing an oral presentationUse the information from your research to prepare an oral presentation. In addition to answering all of the questions from Step 2 above, your presentation should: Last from 10-12 minutes, including questions. Make use of visual aids, such as through a Power Point presentation. Be logically organized, clear, and engaging for the audience.Additional details about the mechanics of the presentation are found in the evaluation rubric below.Rubric for oral presentation: 20 points totalContent:Emerging (0.25 point)Developing (0.5 points)Proficient (1 point)Gene nameNot named, or only an abbreviation providedProvides full name, alternate designations incomplete or name misspelled or name mispronouncedProvides full name, including alternate designations, spelling and pronunciation correctGene locationNot given, or identifies only the chromosomeIdentifies the chromosome and arm (p or q)Identifies the locus specificallyDisease associated with geneNot named, or only provides abbreviationProvides full name, alternate designations incomplete orname misspelled or name mispronouncedProvides full name, including alternate designations, spelling and pronunciation correctSymptoms and signsMore than two not listed, ormore than two not described, orno distinction made between major/common and minor/rare onesOne or two signs and symptoms not listed, or one or two not described, or incomplete distinction made between major/common and minor/rare onesSigns and symptoms listed and described, major/common signs and symptoms distinguished from minor/rare onesPrevalenceUnclear presentation of number of people affected, orincomplete information on more than two demographic considerationsClear presentation of number of people affected, but incomplete information on one or two demographic considerationsClear presentation of number of people affected and demographic considerations (gender, race, nationality, geographic location, etc.)Patient outcomesPresentation of morbidity and/or mortality is underdeveloped or absent; discussion of standard of care absentClear presentation of morbidity and/or mortality associated with the disease, but incomplete treatment of patient care presentedClear presentation of morbidity and/or mortality associated with the disease, as well as standard of care for those with the disease.Specific mutationsIdentification of mutation(s) omits specific DNA bases affected and exons/introns affected; or if multiple mutations are associated with the disease there is no distinction made between prevalent and rare mutationsIdentification of mutation(s) omits specific DNA bases affected or exons/introns affected; or if multiple mutations are associated with the disease there is little distinction made between prevalent and rare mutationsMutation(s) and their locations are specifically identified (DNA bases affected, exons or introns affected); if multiple mutations are associated with disease, the focus is on the most prevalent mutation(s) or group(s) of mutation(s)mRNA transcriptLength is not given, or is incorrect.Length is given in bases or kilobases, but differences between wild-type and mutant transcripts are not identifiedLength is presented in bases or kilobases, any differences between the wild-type and mutant transcripts are identifiedExons and intronsThe number of exons and introns is either not given or incorrect.The number of exons and introns is correctly presented, but their arrangement is unclear or differences between wild-type and mutant versions are not clearly presentedThe number and arrangement of exons and introns is clearly presented, and any differences between the wild-type and mutant versions are clearly presented.Protein product (wild-type)Information is not included in the presentationNumber of amino acids in the wild-type protein is presented, but incorrectNumber of amino acids in the wild-type protein is presented and correctProtein product (mutant)Amino acid changes are not described, or are incorrectAmino acid changes are described with less clarity (e.g., by noting only the mutant amino acid), or the severity of mutations isnt ranked (if applicable)Amino acid changes are clearly described (e.g., by noting the original amino acid as well as the mutant), and severity of mutations is ranked (if applicable)Structure/Function relationshipsDoes not present information on protein structure, or does not present information on protein functionPresents only wild-type or mutant protein structure; orpresents only wild-type protein function or the effect of the mutationWild-type and mutant protein structures are clearly contrasted; wild-type protein function is clearly described; effect of mutation (loss of function, change of function, gain of function) is clearly describedDisease mechanismsExplanation of the cellular basis for disease contains more than two errors, or does not connect the mutant protein to signs and symptoms of the diseaseExplanation of the cellular basis for disease that contains up to two errors, or incompletely links the mutant protein to the signs and symptoms of diseaseThorough explanation of the cellular basis for disease that connects the aberrant function of the mutant protein to the signs and symptoms of the diseasePresentation structure and effectiveness: 30% of gradeFeatureEmergingDevelopingProficientTime FrameLess than 9 minutes, or more than 13 minutesBetween 9-10 or 12-13 minutesBetween 10 and 12 minutesVisual AidsAbsent, may add little to the presentation, encourages reading of the presentation, too much information per slideOften but not always enhance presentation, clearly visible and easy-to-interpretEnhance presentation, with thoughts articulated, and keeps interest of the audienceProfessionalism of PresentationThoughts not clearly articulated, poor posture and eye contact, does not engage audience; partners seem to be working independently of one anotherPresentation is organized, information is clearly presented, and some level of audience engagement is observed; partners work together but the presentation isnt fully integratedPresentation is very well organized, given with energy, and the interest of the audience is maintained; clear partnership observedOrganization and analysisContent is sometimes presented in a logical pattern, transitions are rough or absent, as is discussion.Most content is presented in a logical pattern, transitions are less polished, some topics may lack discussionContent is presented in a logical pattern with clear transitions and discussionReferencesLess than 5 peer-reviewed publications included as references5 or 6 peer-reviewed publications included as referencesAt least 7 peer-reviewed publications included as references
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