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Anh-Hue Thi Tu (Senior Reviewer), Georgia Southwestern State University
Dr. Anh-Hue Tu (born in Saigon, Vietnam) earned a BS in Chemistry from Baylor University and a PhD in Medical Sciences from Texas A&M Health Science Center. At the University of Alabama–Birmingham, she completed postdoctoral appointments in the areas of transcriptional regulation in Escherichia coli and characterization of virulence factors in Streptococcus pneumoniae and then became a research assistant professor working in the field of mycoplasmology. In 2004, Dr. Tu joined Georgia Southwestern State University where she currently serves as Professor, teaching various biology courses and overseeing undergraduate student research. Her areas of research interest include gene regulation, bacterial genetics, and molecular biology. Dr. Tu's teaching philosophy is to instill in her students the love of science by using critical thinking. As a teacher, she believes it is important to take technical information and express it in a way that is understandable to any student.

Brian M. Forster, Saint Joseph's University
Dr. Brian M. Forster received his BS in Biology from Binghamton University and his PhD in Microbiology from Cornell University. In 2011, he joined the faculty of Saint Joseph’s University. Dr. Forster is the laboratory coordinator for the natural science laboratory-based classes designed for students who are not science majors. He teaches courses in general biology, heredity and evolution, environmental science, and microbiology for students wishing to enter nursing or allied health programs. He has publications in the Journal of Bacteriology , the Journal of Microbiology&Biology Education and Tested Studies for Laboratory Education (ABLE Proceedings).

Philip Lister, Central New Mexico Community College
Dr. Philip Lister earned his BS in Microbiology (1986) from Kansas State University and PhD in Medical Microbiology (1992) from Creighton University. He was a Professor of Medical Microbiology and Immunology at Creighton University (1994-2011), with appointments in the Schools of Medicine and Pharmacy. He also served as Associate Director of the Center for Research in Anti-Infectives and Biotechnology. He has published research articles, reviews, and book chapters related to antimicrobial resistance and pharmacodynamics, and has served as an Editor for the Journal of Antimicrobial Chemotherapy . He is currently serving as Chair of Biology and Biotechnology at Central New Mexico Community College.

Contributing authors

Summer Allen, Brown University
Ann Auman, Pacific Lutheran University
Graciela Brelles-Mariño, Universidad Nacional de la Plata
Myriam Alhadeff Feldman, Lake Washington Institute of Technology
Paul Flowers, University of North Carolina–Pembroke
Clifton Franklund, Ferris State University
Ann Paterson, Williams Baptist University
George Pinchuk, Mississippi University for Women
Ben Rowley, University of Central Arkansas
Mark Sutherland, Hendrix College

Reviewers

Michael Angell, Eastern Michigan University
Roberto Anitori, Clark College
James Bader, Case Western Reserve University
Amy Beumer, College of William and Mary
Gilles Bolduc, Massasoit Community College
Susan Bornstein-Forst, Marian University
Nancy Boury, Iowa State University
Jennifer Brigati, Maryville College
Harold Bull, University of Saskatchewan
Evan Burkala, Oklahoma State University
Bernadette Connors, Dominican College
Richard J. Cristiano, Houston Community College–Northwest
AnnMarie DelliPizzi, Dominican College
Elisa M. LaBeau DiMenna, Central New Mexico Community College
Diane Dixon, Southeastern Oklahoma State University
Randy Durren, Longwood University
Elizabeth A. B. Emmert, Salisbury University
Karen Frederick, Marygrove College
Sharon Gusky, Northwestern Connecticut Community College
Deborah V. Harbour, College of Southern Nevada
Randall Harris, William Carey University
Diane Hartman, Baylor University
Angela Hartsock, University of Akron
Nazanin Zarabadi Hebel, Houston Community College
Heather Klenovich, Community College of Alleghany County
Kathleen Lavoie, Plattsburgh State University
Toby Mapes, Blue Ridge Community College
Barry Margulies, Towson University
Kevin M. McCabe, Columbia Gorge Community College
Karin A. Melkonian, Long Island University
Jennifer Metzler, Ball State University
Ellyn R. Mulcahy, Johnson County Community College
Jonas Okeagu, Fayetteville State University
Randall Kevin Pegg, Florida State College–Jacksonville
Judy Penn, Shoreline Community College
Lalitha Ramamoorthy, Marian University
Drew Rholl, North Park University
Hilda Rodriguez, Miami Dade College
Sean Rollins, Fitchburg State University
Sameera Sayeed, University of Pittsburgh
Pramila Sen, Houston Community College
Brian Róbert Shmaefsky, Kingwood College
Janie Sigmon, York Technical College
Denise Signorelli, College of Southern Nevada
Molly Smith, South Georgia State College–Waycross
Paula Steiert, Southwest Baptist University
Robert Sullivan, Fairfield University
Suzanne Wakim, Butte Community College
Anne Weston, Francis Crick Institute
Valencia L. Williams, West Coast University
James Wise, Chowan State University
Virginia Young, Mercer University

Questions & Answers

a 28 years old woman come to your clinic with complain of fever painful genital blisters which express clear fluid when ruptured burning sensation around the bristers what is the diagnosis?
Ramadhani Reply
genital herpes caused by a virus called herpe simplex virus
Doris
what is the reference between selective medium and differential medium?
Tony Reply
the micro flora of air is transient why
Princess
Hello.... Am new here
essien Reply
welcome essien
Muhammad
welcome essien
Beka
classification of gram positive
lissa Reply
classify gram positive
lissa
catalase test is done to differentiate between staph and strep. as staph is catalase positive while strep is catalase negative then staph is differentiate further on coagulase positive and coagulase negative. staph aureus is coagulase positive while staph epidermidis is coagulase negative.
Muhammad
gram positive staph is further differentiated on sensitivity test and manitol salt fermentation test while gram positive strep is differentiated on hemolysis pattern
Muhammad
more about gramm positive
lissa
please
lissa
ok
Blessing
am back any gist
Blessing
taxonomy
Rahul
can i use the graph of bacterial growth for my master's thesis?
Christoph Reply
facultative anaerobic bavteria gives uniform turdibity in nutrient broth why?
Princess Reply
oils and waxes are not sterilized in autoclave
Princess
what is the function of paraffin
Muhammad
@ MAHI because they can grow all over the media from surface to the bottom as they can utilize oxygen or conduct fermentation in its absence.
Online
2.@MAHI Autoclave uses steam under pressure. The steam cannot penetrate through oil and wax. Thus, dry heat sterilization is preferred than autoclave .
Online
thnku
Nadiya
how nutirent agar can converted into blood agar
Princess
thank you
Princess
take a nutrient agar ........and add 5ml blood and put in it ...........!
Nadiya
nutrient agar +blood 5ml+ distilled water =blood agar .
Nadiya
mixed wellllll
Nadiya
hi
Rahul
why agar is not a neutrient source?
Shimul
because it's a general purpose agar only use for growing bacteria
Richa
way is antigen
opaleye
what is antigen
opaleye
antigen is a foreign body that cause activation of antibody?
ASNAKE
Antigen is a toxin or other foreign substance which induces an immune response in the body, especially the production of antibodies.
Shimul
thanks for that
opaleye
what is pharmacology
Luyenu
a science that studies about the drug
ASNAKE
hello ever one
Sayid
y
Abdul
Work hard
Anigor
y
Abdul
thanks alot
Luyenu
What is the major different between gram positive and gram negative bacteria.
Asikur
bacteria kya hai
Mala
content of their cell wall
Doris
koi mujhse basic microbiology ki study k Lea book suggest kro .
Richa
Harley prescott
Vikas
what are the five predisposing factors of opportunistic infections
Asher Reply
1. long term exposure to diseases, that the body immunity weakens.
prosper
2. Nature Of some diseases to weaken body immunity such as, AIDS.
prosper
3. Use of immuno-suppresive drugs.
prosper
anyone... need a hand here 🙋😞
prosper
Low immune is the major cause eg for kaposis sarcoma
Davismith
suitable conditions e.g temp,
Muhammad
what os gnormal flora
kifayat Reply
morphological and genetic classification of bacteria
Potter Reply
what is the morphogical
Bupe
h
Sudhir
morphologycal is defined as relating to the branch of biology that deals with the form of living organisms,and with relationship between their structures.
Nadiya
relating to the form or structure of things .
Nadiya
what is the meaning of lessions
oluwa
i am frim Afghanistan.
wahidullah Reply
iam from iraq
Haidar
and i'm from pakistan
Muhammad
Nice
Amina
what's about the qualification
Muhammad
Hlo
Asiya
Hmm
Number
Almustafa Muhammad from Nigeria
Mujtafa
am ustaz Abdulsalam from Ghana
ustaz
am Bupe Chifita from Zambia
Bupe
what is microbiology
Bupe
is the study of invisible micro organism
Mujtafa
microbiology is the study of very too small organisms which we can't see with naked eyes ......in other words ....study of microorganism is called microbiology.
Nadiya
Hello! How Can Microorganisms Be Isolated From The Skin?.. 5 ways if possible. (briefly)
prosper
from skin swabbing is the prefer method worldwide
Muhammad
thanks Muhammad Nauman very much!
prosper
hi
Meek
hi Meek
prosper
are there any other ways pals?
prosper
hi prosper
Meek
hello Meek Mild.
prosper
Any question or ideas, Meek?😊
prosper
and if a patient have any blister or abscess on the skin then first cut the blister or abscess. inside material is taking by syringe.
Muhammad
in case of fingernail or toenails simply cut a small piece of nail and culture on the appropriate media at a required temperature and time
Muhammad
Again, thanks Mr. Muhammad! I appreciate the help.
prosper
you welcom prosper 😊
Muhammad
what are the media use for skin swab?
Sieh-Mlanwin
blood and macckonkey mostly usededia for skin bacteria
Muhammad
used media*
Muhammad
@ SIEH mostly fungal infection occurs in skin so SDA ( Sabouraud Dextrose Agar) or MEA ( Malt extract agar) are common.
Online
thanks
Sieh-Mlanwin
Microbiologicam source of vitamins
Bachi Reply
what do you mean?
Md
that's example?
Md
hi everyone
Muhammad
such as. c/s media
Md
hmm hlw
Md
just tell me about that ?
Md
where are u from
Muhammad
history of Bactolagy?
Piyush Reply
ask me any question you want on microbiology
Norbuqaari Reply
what is scale up fermenter ? and whict bectetia is benifited in industrial microbilogy ?
Nadiya
can u explain to me wts the meaning of autoclave,and how it doing and ,wt r the equipment to need to do it?
chandi
stem heat under pressure
Nadiya
thnks
chandi
autoclave is a steam heat under pressure .it is use to sterilize the equipment, agar ,petridish broth liquid and many more things....to kill the microbes.......free from microbes
Nadiya
nadiya Scale up studies refers to the act of using results obtained from laboratory studies for designing a prototype and a pilot plant process. do you agree or
Norbuqaari
bectetia is benifited in industrial microbilogy is lactobacilli
Norbuqaari
and
Nadiya
chandi. strong heated container used for chemical reactions and other processes using high pressures and temperatures, e.g. steam sterilization.
Norbuqaari
another
Norbuqaari
who is father of microbiology?
Norbuqaari
anton van leoven hook
chandi
antonie van leeuwenhoek
chandi
thanks
Norbuqaari
what is microbial taxonomy
Ini
what is normal flora
kifayat
normal flora contains the microorganisms which lives on and in our body but can not cause diseases easily....e.g staph. aureus lives on our body they dont cause disease in normal conditions whenever our skin is injured by any cut or wound then they enter into the body and cause diseases
Muhammad
two types of normal flora .... one is the resident normal flora and the other is transient normal flora.....resident normal flora is reside on our body in every condition but transient normal flora changes with the conditions
Muhammad
what is the method used for anaerobic bacteria to grow in the lab other then the candle jar method?
Muhammad
Why those beans water smell
Asiya
wow
Sebewu
hahahaha
Kwame
Asiya Ibrahim please beans water how? please come clear!
Kwame
what is the purpose of gam staining
Norbuqaari Reply
the purpose of gram staining is to differentiate and classified bacteria and other microbes !
Nadiya
the purpose of gram staining is to differentiate between gram negative bacteria and gram positive bacteria
Leah
thanks Nadiya... Thank you Leah Kalasya..Safari njema!
prosper
remember me in yr prayers norbuqaari ! 🙂
Nadiya
what is the virus?
Norbuqaari Reply
an infective agent that typically consists of a nucleic acid molecule in a protein coat, is too small to be seen by light microscopy, and is able to multiply only within the living cells of a host.
chandi
chandi sheeth thanks alot
Norbuqaari
😊😊😊
chandi

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Source:  OpenStax, Microbiology. OpenStax CNX. Nov 01, 2016 Download for free at http://cnx.org/content/col12087/1.4
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