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P8169

Sigma-Aldrich

Phytagel™

Phytagel™

BioReagent, suitable for plant cell culture, powder

Synonym(s):

Gellan Gum, Agar substitute gelling agent

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About This Item

CAS Number:
71010-52-1
EC Number:
275-117-5
MDL number:
MFCD00131909
UNSPSC Code:
10171502
NACRES:
NA.72
Pricing and availability is not currently available.

product line

BioReagent

Quality Level

200

form

powder

technique(s)

cell culture | plant: suitable

application(s)

agriculture

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General description

Typical working concentration: 1.5-2.5 g/L in plant tissue culture media; up to 10 g/L in microbiological media. Phytagel™ requires the presence of cations (especially divalent) for gelling to occur. Concentrations of calcium and magnesium contained in most plant tissue culture media are typically sufficient for gelation. Low-salt media formulations, especially those used in microbiological applications, may require supplementation with additional calcium or magnesium salts (e.g., CaCl2 or MgSO4) or higher concentrations of Phytagel.

Application

Phytagel™ has been used:
  • in the solidification of culture medium for root assays in Arabidopsis thaliana[1]
  • as a component of Solid Paul′s medium for Agrobacterium culture[2]
  • as a component of root induction medium in Ilex dumosa tissue culture[3]

Biochem/physiol Actions

Phytagel is intended for use in place of agar and other gelling agent for plant tissue culture. Phytagel has been shown to be a superior substitute for tissue-culture-grade agar in the micropropagation of banana plantlets.

Other Notes

An agar substitute produced from a bacterial fermentation composed of glucuronic acid, rhamnose and glucose. It produces a clear, colorless, high strength gel which aids in detection of microbial contamination.

Reconstitution

To prevent clumping, add slowly to rapidly stirring medium prior to heating.

Legal Information

Phytagel is a trademark of Sigma-Aldrich Co. LLC

also commonly purchased with this product

Product No.
Description
Pricing

Storage Class Code

11 - Combustible Solids

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
0000409777
0000409779
0000409778
0000409779
0000409778

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Christine Le Roux et al.
Applied and environmental microbiology, 75(24), 7752-7759 (2009-10-27)
In the context of an increasing utilization of the interspecific hybrid Acacia mangium x A. auriculiformis as a plantation tree in the tropical humid zone, its symbiotic characterization was carried out in comparison with that of its two parental species.
Abhishek Bhaskaran et al.
Europace : European pacing, arrhythmias, and cardiac electrophysiology : journal of the working groups on cardiac pacing, arrhythmias, and cardiac cellular electrophysiology of the European Society of Cardiology, 19(5), 874-880 (2016-05-22)
Longer procedural time is associated with complications in radiofrequency atrial fibrillation ablation. We sought to reduce ablation time and thereby potentially reduce complications. The aim was to compare the dimensions and complications of 40 W/30 s setting to that of
CEP genes regulate root and shoot development in response to environmental cues and are specific to seed plants
Delay C, et al.
Journal of Experimental Botany, 64(17), 5383-5394 (2013)
Micropropagation of Ilex dumosa (Aquifoliaceae) from nodal segments in a tissue culture system
Luna C, et al.
Biocell, 27(2), 205-212 (2003)
Cytoskeletal dynamics in interphase, mitosis and cytokinesis analysed through Agrobacterium-mediated transient transformation of tobacco BY-2 cells
Buschmann H, et al.
The New phytologist, 190(1), 258-267 (2011)
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Questions

1–3 of 3 Questions  

  1. Buongiorno. Vorrei sapere se il Phytagel è Gellano ad alto o a basso grado di acilazione

    1 answer

    1. This product is characterized as having a low acyl content.

      Helpful?

  2. What is the molecular weight of one repeating unit?

    1 answer

    1. The molecular weight is not determined. However, the constituent sugars of Phytagel are glucose, glucuronic acid and rhamnose in the molar ratio of 2:1:1.

      Helpful?

  3. What is the gelling strength of Phytagel P8169

    1 answer

    1. The Gel Strength for Phytagel (P8169) is 700 g/cm2 (tested at 0.5%).

      Helpful?

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