Date published: 2025-10-10

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ASA Activators

ASA activators encompass a broad spectrum of chemicals that can indirectly influence the activity of Anthranilate Synthase Alpha Subunit 1 in chloroplasts, the site of tryptophan biosynthesis in plants. These chemicals interact with diverse metabolic and signaling pathways within the plant cells, each affecting the enzyme's activity through secondary or tertiary effects on metabolic demand, signal transduction, or stress response pathways. For example, 5-Aminolevulinic acid, by serving as a precursor to chlorophyll, can boost chloroplast function, potentially enhancing the biosynthesis of tryptophan where ASA plays a pivotal role. Similarly, plant hormones like gibberellic acid and jasmonic acid can increase the need for protein synthesis or activate stress responses, respectively, thereby indirectly stimulating the activation of ASA to provide the necessary tryptophan for these processes.

Cytokinins like kinetin and zeatin can increase cell division rates, leading to a surge in metabolic activity within the chloroplasts, which may include the upregulation of ASA activity to meet the increased demand for amino acid synthesis. In contrast, signaling molecules like nitric oxide and hydrogen peroxide can elicit a cascade of reactions within the plant's metabolism, including the potential upregulation of ASA as a response to external stimuli or stress.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

5-Aminolevulinic Acid Hydrochloride Salt

5451-09-2sc-262399
sc-262399A
sc-262399B
sc-262399C
1 g
5 g
25 g
100 g
$36.00
$206.00
$347.00
$1326.00
2
(2)

Precursor in the chlorophyll synthesis pathway, which can enhance chloroplastic function and potentially increase the demand for tryptophan synthesis, thereby activating ASA.

Gibberellic acid

77-06-5sc-257556
sc-257556A
sc-257556B
sc-257556C
500 mg
1 g
5 g
25 g
$46.00
$62.00
$142.00
$505.00
2
(0)

Plant hormone that can promote growth and could enhance the demand for protein synthesis, indirectly stimulating tryptophan synthesis via ASA activation.

3-Indoleacetic acid

87-51-4sc-254494
sc-254494A
sc-254494B
5 g
25 g
100 g
$30.00
$90.00
$157.00
4
(1)

An auxin, which is a product of tryptophan pathway, might regulate ASA by feedback mechanisms to balance tryptophan levels in the plant.

Salicylic acid

69-72-7sc-203374
sc-203374A
sc-203374B
100 g
500 g
1 kg
$46.00
$92.00
$117.00
3
(1)

Plant hormone involved in the systemic acquired resistance pathway, could potentially enhance ASA activity in response to stress, promoting tryptophan biosynthesis.

(±)-Jasmonic Acid

77026-92-7sc-205355
sc-205355A
sc-205355B
sc-205355C
sc-205355D
sc-205355E
100 mg
250 mg
1 g
5 g
10 g
50 g
$94.00
$124.00
$194.00
$1642.00
$3274.00
$13780.00
(0)

A plant hormone that modulates various aspects of plant growth and response to stress, potentially increasing the requirement for tryptophan and activating ASA.

Calcium chloride anhydrous

10043-52-4sc-207392
sc-207392A
100 g
500 g
$65.00
$262.00
1
(1)

Calcium acts as a secondary messenger in signal transduction and might influence ASA activity by modulating various signaling pathways.

Kinetin

525-79-1sc-207780
sc-207780A
1 g
5 g
$37.00
$47.00
(0)

A cytokinin that promotes cell division, which could enhance the need for tryptophan synthesis through ASA in actively dividing cells.

Sodium nitroprusside dihydrate

13755-38-9sc-203395
sc-203395A
sc-203395B
1 g
5 g
100 g
$42.00
$83.00
$155.00
7
(1)

A nitric oxide donor that may act as a signaling molecule in plants, potentially upregulating ASA activity as part of the response to nitric oxide.

Hydrogen Peroxide

7722-84-1sc-203336
sc-203336A
sc-203336B
100 ml
500 ml
3.8 L
$30.00
$60.00
$93.00
27
(1)

Acts as a signaling molecule in plants, could modulate the activity of ASA as a response to oxidative stress.

D(+)Glucose, Anhydrous

50-99-7sc-211203
sc-211203B
sc-211203A
250 g
5 kg
1 kg
$37.00
$194.00
$64.00
5
(1)

As a primary energy source, glucose may upregulate the entire metabolic machinery of the plant, including ASA, to meet increased biosynthetic demands.