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TLS Online TPP Program

#Id: 10381

IL-4 increases expression of class II molecules in resting B cells, turning them into more efficient APCs.

#Unit 4. Cell Communication and Cell Signaling #Major histocompatibility complex #Part B Pointers
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TLS Online TPP Program

#Id: 3868

#Unit 5. Developmental Biology

In prespore cells, PKA activation occurs by signalling cascade that is activated by SDF-3, which triggers the synthesis of GABA
TLS Online TPP Program

#Id: 3869

#Unit 5. Developmental Biology

Newly activated genes are:

Adenylate cyclase A (ACA)
PKA
cAMP receptors (cARs)
Extracellular cAMP phosphodiesterase PdsA
An intracellular cAMP phosphodiesterase RegA
TLS Online TPP Program

#Id: 3870

#Unit 5. Developmental Biology

Secreted GABA then acts on prestalk cells to induce the cell-surface exposure of the serine protease domain of the ABC transporter TagC.
TLS Online TPP Program

#Id: 3871

#Unit 5. Developmental Biology

Once all proteins are functioning, a few starving cells start to emit cAMP pulses.
TLS Online TPP Program

#Id: 3872

#Unit 5. Developmental Biology

GABA acts on prespore cells to induce secretion of AcbA.
TLS Online TPP Program

#Id: 3873

#Unit 5. Developmental Biology

AcbA is cleaved by the TagC protease to produce the peptide     SDF-2.