Metabolosomes: Difference between revisions

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{{OrganelleInfoBox
{{OrganelleInfoBox
| organelle = Metabolosomes
| organelle = Metabolosomes
| icon =  
| icon = MetabolosomeIcon.png
| image =  
| image = MetabolosomeOrganelle.png
| cost = 45
| cost = 45
| requiresNucleus = No
| requiresNucleus = No
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}}
}}


Metabolosmoes perform '''Protein Respiration''', a form of '''Aerobic Respiration''' inferior to that of [[Mitochondrion|Mitochondria]]. It is the conversion of '''Glucose''' into '''ATP''' with the use of '''Oxygen'''.
'''Metabolosomes''' perform '''Protein Respiration''', a form of '''Aerobic Respiration''' inferior to that of [[Mitochondrion|Mitochondria]]. It is the conversion of '''Glucose''' {{CompoundIcon|image=GlucoseIcon.png|internalName=glucose}} into '''ATP''' {{CompoundIcon|image=ATPIcon.png|internalName=atp}} with the use of '''Oxygen''' {{CompoundIcon|image=OxygenIcon.png|internalName=oxygen}}.


== Requirements ==
== Requirements ==
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== Processes ==
== Processes ==


'''Protein Respiration''': '''Glucose''' → '''ATP''' @ '''Oxygen'''
'''Protein Respiration''': '''Glucose''' {{CompoundIcon|image=GlucoseIcon.png|internalName=glucose}} → '''ATP''' {{CompoundIcon|image=ATPIcon.png|internalName=atp}} @ '''Oxygen''' {{CompoundIcon|image=OxygenIcon.png|internalName=oxygen}}


Protein Respiration is a method of energy production performed by Metabolosomes. An input of glucose is needed for this to take place, and the rate of the process scales with the amount of environmental Oxygen.
A method of energy production, superior to that in [[Cytoplasm]] but inferior to [[Mitochondrion|Mitochondria]]. Requires a steady influx of '''Glucose''' {{CompoundIcon|image=GlucoseIcon.png|internalName=glucose}}. Rate scales with the concentration of environmental '''Oxygen''' {{CompoundIcon|image=OxygenIcon.png|internalName=oxygen}}.


== Modifications ==
== Modifications ==
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== Scientific Background ==
== Scientific Background ==


Unlike eukaryotes, prokaryote organelles do not have membranes. Instead, prokaryotes like bacteria construct compartments out of proteins. A metabolosome is an example of such a compartment, officially referred to as a bacterial microcompartment (BMC). BMCs are composed of a polyhedral protein shell around 100-200 nm large that looks similar to a virus capsid. The proteins that make up the shell typically have (semipermeable) pores that allow different compounds (substrates and products) in and out of the organelle. They concentrate enzymes and proteins involved in specific metabolic processes in one spot, ensuring their success. The protein shell also acts as a physical barrier, allowing BMCs to conduct metabolic reactions that create toxic or unstable intermediate compounds.  
Unlike eukaryotes, prokaryote organelles do not have membranes. Instead, prokaryotes like bacteria construct compartments out of proteins. A '''Metabolosome''' is an example of such a compartment, officially referred to as a Bacterial MicroCompartment (BMC). BMCs consist of a polyhedral protein shell around 100-200 nm in size that looks similar to a virus capsid. The proteins that make up the shell typically have (semi-permeable) pores that allow different compounds (substrates and products) in and out of the organelle. They concentrate enzymes and proteins involved in specific metabolic processes in one spot, ensuring their success. The protein shell also acts as a physical barrier, allowing BMCs to conduct metabolic reactions that create toxic or unstable intermediate compounds.


Metabolosomes are a catabolic type of BMC, and are involved in the degradation of different carbon sources such as glycerol and amino acids. There is no clear evidence that the process of breaking down glucose takes place in metabolosomes, however it is not unreasonable to assume that it could do so.
'''Metabolosomes''' are a catabolic type of BMC, and are involved in the degradation of different carbon sources such as glycerol and amino acids. There is no clear evidence that the process of breaking down '''Glucose''' {{CompoundIcon|image=GlucoseIcon.png|internalName=glucose}} takes place in metabolosomes, however it is not unreasonable to assume that it could do so.
The actual process of breaking down glucose for energy takes place in several steps in both prokaryotes and eukaryotes. The only difference is where some of the enzymes are located and organized.


==Aerobic cellular respiration (glucose -> ATP)==
Read more on this organelle's [https://en.wikipedia.org/wiki/Bacterial_microcompartment#Metabolosomes%3A_aldehyde_oxidation Wikipedia page].
 
The actual process of breaking down glucose for energy takes place in several steps in both prokaryotes and eukaryotes. The only difference is where some of the enzymes are located and organized. Below is a summary of the various reactions with the full names of the molecules and the chemical formulas/abbreviations. 
 
 
'''Glycolysis:'''
Glycolysis takes place in several steps, catalyzed by 10 different enzymes with 11 intermediate compounds. The end result is one glucose produces two pyruvate molecules, two ATP molecules and two NADH molecules (which are later converted to 4-5 ATP molecules). Glycolysis occurs in the cytoplasm of both eukaryotes and prokaryotes
 
The net reaction looks like this:
 
''Glucose + 2 ADP + 2 NAD+ + 2 Pi → 2 pyruvate + 2 ATP + 2 NADH + 2 water''
 
 
 
If you'd  like to learn more about glycolysis, visit https://www.tuscany-diet.net/2018/02/06/glycolysis/.  
 
'''Linker reaction:'''
 
This reaction connects glycolysis to the next major reaction cycle in ATP production: The Krebs cycle, also known as the citric acid cycle.
 
''2 Pyruvate + 2 CoA + 2 NAD+ + 2 Pi → 2 acetyl-CoA + 2 NADH + 2 CO2''
 
'''Krebs cycle:'''
 
''2 acetyl-CoA + 6 NAD+ + 2 FAD + 2 GDP + 2 Pi + 4 H2O → 2 CoA + 6 NADH + 6 FADH2 + 4 H+ + 2 GTP + 4 CO2''
 
'''Electron transport chain and oxidative phosphorylation:'''
 
10 NADH + 10 H+ + 2 FADH2 + 2 GTP + 6 O2 -> 25ATP + 3 ATP + 2 ATP
 
Remeber there is also 2 ATP produced by glycolysis. This brings '''the total amount of ATP produced to 32.'''
 
However, the actual maximum amount of ATP possible varies between species and tissues due to differences in the amount of hydrogens pumped across the mitochondrial membrane by the electron transport chain. In other words, the amount of ATP generated per NADH and FADH2 molecule depends on the species. The total amount is commonly stated as being between 36-38 ATP.
 
'''Abbreviations:'''
 
ATP: Adenosin TriPhosphate
 
ADP: Adenosine DiPhosphate
 
NAD+: Nicotinamide Adenine Dinucleotide
 
NADH: Nicotinamide Adenine Dinucleotide (Hydrated)
 
FAD: Flavin Adenine Dinucleotide
 
FADH2: Flavin Adenine Dinucleotide (Hydrated)
 
GTP: Guanosine TriPhosphate
 
GDP: Guanosine DiPhosphate
 
Pi: inorganic Phosphate
 
CoA: Coenzyme A
 
CO2: Carbon Dioxide

Revision as of 20:26, 14 January 2024

Organelle Details
Metabolosomes
MetabolosomeIcon.png
MetabolosomeOrganelle.png
Base Cost (MP) 45
Requires Nucleus No
Processes Protein Respiration
Enzymes None
Size (Hexes) 1
Osmoregulation Cost 1
Storage 0.5
Unique No
Upgrades None
Internal Name metabolosome

Metabolosomes perform Protein Respiration, a form of Aerobic Respiration inferior to that of Mitochondria. It is the conversion of Glucose glucose into ATP atp with the use of Oxygen oxygen.

Requirements

No requirements

Processes

Protein Respiration: Glucose glucoseATP atp @ Oxygen oxygen

A method of energy production, superior to that in Cytoplasm but inferior to Mitochondria. Requires a steady influx of Glucose glucose. Rate scales with the concentration of environmental Oxygen oxygen.

Modifications

No modifications.

Effects

No effects.

Upgrades

No upgrades.

Strategy

TBA

Scientific Background

Unlike eukaryotes, prokaryote organelles do not have membranes. Instead, prokaryotes like bacteria construct compartments out of proteins. A Metabolosome is an example of such a compartment, officially referred to as a Bacterial MicroCompartment (BMC). BMCs consist of a polyhedral protein shell around 100-200 nm in size that looks similar to a virus capsid. The proteins that make up the shell typically have (semi-permeable) pores that allow different compounds (substrates and products) in and out of the organelle. They concentrate enzymes and proteins involved in specific metabolic processes in one spot, ensuring their success. The protein shell also acts as a physical barrier, allowing BMCs to conduct metabolic reactions that create toxic or unstable intermediate compounds.

Metabolosomes are a catabolic type of BMC, and are involved in the degradation of different carbon sources such as glycerol and amino acids. There is no clear evidence that the process of breaking down Glucose glucose takes place in metabolosomes, however it is not unreasonable to assume that it could do so. The actual process of breaking down glucose for energy takes place in several steps in both prokaryotes and eukaryotes. The only difference is where some of the enzymes are located and organized.

Read more on this organelle's Wikipedia page.