Summary
Samenvatting celbiologie - hoofdstuk cytoskelet
- Course
- Institution
prof Geert callewaert
[Show more]
1 review
By: ademan • 6 year ago
Seller
Follow
phaedralocquet
Reviews received
Content preview
6. CYTOSKELETKLEINST
GROOTST
Keyfuncties vh cytoskelet
1. structuur & support
2. Intracellulair transport
3. Contractiliteit en motilitiet
TRANSPORT
Amoeboëde
voortbewegin
g
DELINGSSPOEL
SPIERCONTRACTIE
, 1. Structuur en organisatie van actine filamenten
Voedselinfecties en actine filamenten
Listeria monocytogeneses – listeriosis
= bacterie
-OORZAAK & SYMPTOMEN
Bacterie die voorkomt is besmet voedsel (rauwe melk, rauw vlees,…)
Komt in darmkanaal & dringt slijmvlies binnen
o Zorgt voor griepachtige symptonen
Koorst
Rillingen
Hoofdpijn
Kan zorgen voor hersenvliesontsteking, ooginfecties, sepsis (bloedvergifting)
-WAT?
Maakt misbruik van actinefilamenten om zich te transporteren id cel en zo andere
cellen te infecteren.
-LYSTERIA LIFECYCLE
Beweegt dankzij actine filamenten (komeetstaart – paars)
Duwt de bacterie voort
Bacterien duwen tegen celwand vormen pseudopodie
(uitstulping celw)
Kunnen zo via fagocytose in andere cel binnenkomen
VOORDEEL: bacterie komt nooit buiten de cel
Actine & actine-bindende proteïnen (ABP’s)
Overzicht
- Actinefilamenten: 1. G-actine (globulair – 1 actinemolecule)
2. F-actine (2 ketens gepolymeriseerde G-actinen die helix vormen -
filamentlus – dubbelstreng –)
heel wat eiwitten interageren hiermee
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller phaedralocquet. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $4.34. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
64438 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now