Kumari, Aloka published the artcilePlant growth regulator interactions in physiological processes for controlling plant regeneration and in vitro development of Tulbaghia simmleri, Quality Control of 1122579-42-3, the publication is Journal of Plant Physiology (2018), 65-71, database is CAplus and MEDLINE.
The endogenous auxin and cytokinin contents of in vitro regenerated T. simmleri maintained on applied plant growth regulators in Murashige and Skoog (MS) medium were investigated using UHPLC-MS anal. The highest number of shoots (27.6 per leaf) were produced in MS medium supplemented with 2.5 μM thidiazuron. A higher number of these shoots were rooted with 10 μM 6-(2-hydroxy-3-methylbenzylamino) purine (PI-55, cytokinin antagonist). The production of somatic embryos (SEs: 16.4-4.6, globular to cotyledonary stages) improved significantly with liquid MS medium containing 2.5 μM picloram, 2.5 μM phloroglucinol (PG) and 1.5 μM gibberellic acid or 1.5 μM PI-55 and 1.0 μM trans-zeatin. SEs (torpedo and cotyledonary stages) germinated (100%) in plant growth regulator-free MS medium. The plantlets were acclimatized and all survived in the greenhouse. Higher levels of endogenous auxin, 2-oxindole-3-acetic acid (oxIAA, 371.52 pmol/g DW) and indole-3-acetylaspartate (IAAsp, 141.56 pmol/g DW) were detected in shoots from PG treatments. The roots of garden-grown mother plants possessed the highest level of indole-3-acetic acid (IAA, 630.54 pmol/g DW) and oxIAA (515.26 pmol/g DW). Cytokinins [CKs: trans-zeatin-O-glucoside (tZOG), cis-zeatin (cZ) and N6-isopentenyladenosine-5′-monophosphate (iPRMP)] levels were relatively high in shoots and roots of plantlets in vitro. However, PI-55 treatments influenced the development of plantlets promoting a higher biosynthesis level of iPRMP (418.06 pmol/g DW in root) and cZRMP (904.61 pmol/g DW in roots and 1427.83 pmol/g DW in shoots). Thus, the presented protocols offer organogenesis and somatic organogenesis systems for rapid plant regeneration of T. simmleri. In addition, the importance of exogenous and endogenous hormonal effects on in vitro plant growth and development as well as endogenous hormone metabolism signaling and transport related to the physiol. processes of CK metabolism and transport were illustrated for in vitro development of T. simmleri.
Journal of Plant Physiology published new progress about 1122579-42-3. 1122579-42-3 belongs to alcohols-buliding-blocks, auxiliary class 5.6_Aromatics,Purines, name is 2-(((9H-Purin-6-yl)amino)methyl)-6-methylphenol, and the molecular formula is C13H13N5O, Quality Control of 1122579-42-3.
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