First-pass extracted concept

endogenous proteolytic activity associated with spinach chloroplast thylakoid membranes

Candidate: toolkit item1 source documents18 linked claims
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Evidence Snippets

An endogenous proteolytic activity associated with spinach chloroplast thylakoid membranes has been identified.
Evidence 1Source 1DOIPubMedprovenance

Supporting Sources

Linked Claims

Claim 1biochemical fractionationsupports1995Source 1DOIPubMed

The activity can be released from isolated thylakoid membranes by high-NaCl washing and reconstituted by readdition of desalted wash supernatant.

Quoted textsource-backed
The activity can be released from isolated thylakoid membranes by washing with high concentrations of NaCl and reconstituted by readdition of the desalted wash supernatant.
Claim 2biochemical fractionationsupports1995Source 1DOIPubMed

The proteolytic activity can be released from isolated thylakoid membranes by high-salt washing and reconstituted by readdition of the desalted wash supernatant.

Quoted textsource-backed
The activity can be released from isolated thylakoid membranes by washing with high concentrations of NaCl and reconstituted by readdition of the desalted wash supernatant.
Claim 3biochemical requirementsupports1995Source 1DOIPubMed

The proteolytic process is strictly dependent on ATP.

Quoted textsource-backed
The proteolytic process is strictly dependent on ATP
Claim 4cofactor dependencesupports1995Source 1DOIPubMed

The proteolytic process is strictly dependent on ATP.

Quoted textsource-backed
The proteolytic process is strictly dependent on ATP
Claim 5condition dependencesupports1995Source 1DOIPubMed

After initiation by high-intensity light, LHCII degradation can occur in complete darkness.

Quoted textsource-backed
Once initiated by high-intensity light, the degradation of LHCII can readily occur in complete darkness.
Claim 6enzyme classsupports1995Source 1DOIPubMed

The protease involved is of the serine or cysteine type.

Quoted textsource-backed
the protease involved is of the serine or cysteine type
Claim 7enzyme class assignmentsupports1995Source 1DOIPubMed

The protease involved is of the serine or cysteine type.

Quoted textsource-backed
the protease involved is of the serine or cysteine type
Claim 8experimental observabilitysupports1995Source 1DOIPubMed

After in vivo induction, the proteolysis can be followed in vitro in isolated intact chloroplasts and thylakoid membranes.

Quoted textsource-backed
The proteolysis can, after induction in vivo, be experimentally followed in vitro, both in isolated intact chloroplasts and thylakoid membranes.
Claim 9experimental observabilitysupports1995Source 1DOIPubMed

After in vivo induction, the proteolysis can be followed in vitro in isolated intact chloroplasts and thylakoid membranes.

Quoted textsource-backed
The proteolysis can, after induction in vivo, be experimentally followed in vitro, both in isolated intact chloroplasts and thylakoid membranes.
Claim 10functional rolesupports1995Source 1DOIPubMed

The identified enzymic activity is involved in degradation of LHCII in response to increased irradiance.

Quoted textsource-backed
This enzymic activity is involved in the degradation of the major light-harvesting chlorophyll a/b protein of photosystem II (LHCII) in response to exposure of leaves to increased irradiance.
Claim 11functional rolesupports1995Source 1DOIPubMed

The identified enzymic activity is involved in degradation of LHCII in response to increased irradiance.

Quoted textsource-backed
This enzymic activity is involved in the degradation of the major light-harvesting chlorophyll a/b protein of photosystem II (LHCII) in response to exposure of leaves to increased irradiance.
Claim 12identificationsupports1995Source 1DOIPubMed

An endogenous proteolytic activity associated with spinach chloroplast thylakoid membranes was identified.

Quoted textsource-backed
An endogenous proteolytic activity associated with spinach chloroplast thylakoid membranes has been identified.
Claim 13identificationsupports1995Source 1DOIPubMed

An endogenous proteolytic activity associated with spinach chloroplast thylakoid membranes was identified.

Quoted textsource-backed
An endogenous proteolytic activity associated with spinach chloroplast thylakoid membranes has been identified.
Claim 14induction timingsupports1995Source 1DOIPubMed

Proteolysis of LHCII requires an induction period and is detectable 48-72 hours after transfer from low-intensity to high-intensity light.

Quoted textsource-backed
This proteolysis of LHCII requires an induction period and can only be detected 48-72 hours after transfer of the plants from low-intensity to high-intensity light.
Claim 15light dependencesupports1995Source 1DOIPubMed

After initiation by high-intensity light, LHCII degradation can occur in complete darkness.

Quoted textsource-backed
Once initiated by high-intensity light, the degradation of LHCII can readily occur in complete darkness.
Claim 16subcellular localizationsupports1995Source 1DOIPubMed

The protease is concluded to be extrinsically bound to the outer surface of the stroma-exposed regions of the stacked thylakoid membrane.

Quoted textsource-backed
It is concluded that the protease is extrinsically bound to the outer surface of the stroma-exposed regions of the stacked thylakoid membrane.
Claim 17subcellular localizationsupports1995Source 1DOIPubMed

The protease is concluded to be extrinsically bound to the outer surface of the stroma-exposed regions of the stacked thylakoid membrane.

Quoted textsource-backed
It is concluded that the protease is extrinsically bound to the outer surface of the stroma-exposed regions of the stacked thylakoid membrane.
Claim 18temporal requirementsupports1995Source 1DOIPubMed

Proteolysis of LHCII requires an induction period and is detectable only 48-72 hours after transfer from low-intensity to high-intensity light.

Quoted textsource-backed
This proteolysis of LHCII requires an induction period and can only be detected 48-72 hours after transfer of the plants from low-intensity to high-intensity light.