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Transcript
PETER PAZMANY
SEMMELWEIS
CATHOLIC UNIVERSITY
UNIVERSITY
Development of Complex Curricula for Molecular Bionics and Infobionics Programs within a consortial* framework**
Consortium leader
PETER PAZMANY CATHOLIC UNIVERSITY
Consortium members
SEMMELWEIS UNIVERSITY, DIALOG CAMPUS PUBLISHER
The Project has been realised with the support of the European Union and has been co-financed by the European Social Fund ***
**Molekuláris bionika és Infobionika Szakok tananyagának komplex fejlesztése konzorciumi keretben
***A projekt az Európai Unió támogatásával, az Európai Szociális Alap társfinanszírozásával valósul meg.
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Peter Pazmany Catholic University
Faculty of Information Technology
www.itk.ppke.hu
BASICS OF NEUROBIOLOGY
Neurobiológia alapjai
CELL ORGANELLES I.
(Sejtalkotók I.)
ZSOLT LIPOSITS
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Basics of Neurobiology: Cell organelles. I.
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PROKARYOTIC AND EUKARYOTIC CELLS
SUBCELLULAR STRUCTURES OF THE ANIMAL CELLS
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CELL MEMBRANE
CYTOPLASM
CELL NUCLEUS
NUCLEOLUS
ROUGH ENDOPLASMIC RETICULUM
SMOOTH ENDOPLASMIC RETICULUM
GOLGI APPARATUS
TRANSPORT VESICLES
LYSOSOMES
MITOCHONDRION
CYTOSKELETON
CILIUM
CENTRIOLUM
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Basics of Neurobiology: Cell organelles. I.
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Basics of Neurobiology: Cell organelles. I.
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THE CELL MEMBRANE
FLUID MOSAIC MODEL OF MEMBRANE STRUCTURE
STRUCTURE OF THE PHOSPHOLIPID MOLECULE, AMPHIPATHIC CHARACTER
THE PHOSPHOLIPID BILAYER
INNER MEMBRANE PROTEINS
SURFACE PROTEINS
TRANSMEMBRANE PROTEIN
GLYCOPROTEINS AND GLYCOLIPIDS
FREEZE-FRACTRURE IMAGE OF THE MEMBRANE, P AND E FACES
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Basics of Neurobiology: Cell organelles I.
www.itk.ppke.hu
CYTOPLASM
CELL MEMBRANE-ENCLOSED PART OF THE CELL HOSTING THE CELL ORGANELLES
IT IS A GEL THAT MAKES UP 70% OF THE WHOLE CELL VOLUME
CONTAINS WATER, INORGANIC SALTS AND ORGANIC MOLECULES
THE CYTOSKELETON IS EMBEDDED, THE ORGANELLES ARE SUSPENDED IN IT
SITE OF METABOLIC ACTIONS, SIGNAL TRANSDUCTION AND CELL DIVISION
GIVES A PLASTIC CHARACTER TO THE CELL
IN CONVENTIONAL HISTOLOGICAL PREPARATIONS IT SHOWS EOSINOPHYLIA
IN SLICE PREPARATION ITS HARVESTING IS POSSIBLE FOR MOLECULAR ANALYSIS
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Basics of Neurobiology: Cell organelles. I.
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TRANSPORT ACROSS PLASMA MEMBRANES
PASSIVE DIFFUSION
CONCENTRATION GRADIENT DEPENDENT, ALCOHOL, GASES
FACILITATED DIFFUSION
PASSIVE, REQUIRES TRANSPORTERS, GLUCOSE, AMINO ACIDS
ACTIVE TRANSPORT
REQUIRES ENERGY (ATP), OPERATES AGAINST CONCENTRATION GRADIENTS
UTILIZES TRANSMEMBRANE CHANNELS, SODIUM/POTASSIUM PUMP
BULK TRANSPORT
ENDOCYTOSIS, EXOCYTOSIS
PHAGOCYTOSIS
PINOCYTOSIS
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Basics of Neurobiology: Cell organelles. I.
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CELL NUCLEUS
NUCLEAR ENVELOPE
DOUBLE MEMBRANE LAYER, CONTINUOUS WITH ROUGH ENDOPLASMIC RETICULUM
NUCLEAR PORES
HOLES IN THE DOUBLE MEMBRANE, NUCLEAR PORE COMPLEX, REGULATES
TRAFFICKING BETWEEN THE NUCLEUS AND CYTOPLASM (MACROMOLECULES, RNA)
NUCLEAR MATRIX
DNA (DEOXYRIBONUCLEIC ACID), GENETIC CODE, EU- AND HETEROCHROMATIN
RIBONUCLEIC ACID (RNA), TRANSFER, MESSENGER AND RIBOSOMAL
NUCLEOPROTEINS, HISTONE- AND NON-HISTONE TYPES, REGULATE TRANSCRIPTION
BARR BODY, FEMALE SEX-CHROMOSOME
STORAGE OF GENETIC INFORMATION, THE HUMAN GENOME, TRANSCRIPTION
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Basics of Neurobiology: Cell organelles. I.
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NUCLEOLI
ONE OR TWO SPHERICAL STRUCTURES LOCATED IN THE NUCLEUS
NO MEMBRANE COVER
PROMINENT IN CELLS UNDER INTENSE PROTEIN SYNTHESIS
DEVELOPS AT NUCLEOLAR ORGANIZING REGIONS (ribosomal RNA genes)
STRUCTURALLY ORGANIZED IN FIBRILLAR CENTERS (FC), DENSE FIBRILLAR
COMPONENT (DFC) AND GRANULAR COMPONENTS (GC)
PRODUCE RIBOSOMAL RNAs THAT ARE CONJUGATED WITH RIBOPROTEINS IN
ORDER TO MAKE RIBOSOMAL SUBUNITS
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ROUGH ENDOPLASMIC RETICULUM (RER)
A LABYRINTHINE COMPLEX MEMBRANE STRUCTURE COMPOSED BY TUBULES,
VESICLES AND FLATTENED SACS
RIBOSOMES ARE ATTACHED TO THE OUTER SURFACE OF THE PARALLELLY
ORIENTED SACS
DUE TO ITS HIGH RIBONUCLEIC ACID CONTENT IT SHOWS AN INTENSE BASOPHYLIA
IN NEURONS, THE RER PATCHES ARE CALLED NISSL-BODIES
PROTEIN SYNTHESIS TAKES PLACES AT THE RIBOSOMES OF THE OUTER SURFACE
NEWLY SYNTHESIZED PROTEINS GET INTO THE LUMEN OF THE MEMBRANE SACKS
IN CELLULAR HYPERTROPHY, RER BECOMES DOMINANT IN THE CYTOPLASM
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SMOOTH ENDOPLASMIC RETICULUM (SER)
IRREGULAR NETWORK OF MEMBRANOUS TUBULES AND VESICLES
IN CONTRAST TO RER, IT DOES NOT CARRY RIBOSOMES
CONTINUOUS WITH THE RER SYSTEM AND LINKED TO THE GOLGI SYSTEM
SER TAKES PART IN LIPID SYNTHESIS, GLYCOGEN METABOLISM, BRAKE DOWN OF
METABOLITES AND DETOXIFICATION
STORES AND RELEASES CALCIUM IN EXCITABLE TISSUES (MUSCLE, NERVOUS
TISSUE)
ABUNDANT IN LIVER CELLS AND STEROID-SYNTHESIZING ENDOCRINE CELLS
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ULTRASTRUCTURAL DETAILS OF ORGANELLES
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NUCLEUS
NUCLEAR MEMBRANE
ROUGH ER
GOLGI-APPARATUS
MITOCHONDRION
LYSOSOME
CYTOPLASM
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