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METHYL 4-HYDROXY-4-METHYL-2-PENTYNOATE - CAS 209909-03-5

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Category
Main Product
Product Name
METHYL 4-HYDROXY-4-METHYL-2-PENTYNOATE
Catalog Number
209909-03-5
Synonyms
METHYL 4-HYDROXY-4-METHYL-2-PENTYNOATE;(2-CHLORO-6,7-DIFLUOROQUINOLIN-3-YL)METHANOL
CAS Number
209909-03-5
Molecular Weight
142.1525
Molecular Formula
C7H10O3
COA
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MSDS
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Canonical SMILES
CC(C)(C#CC(=O)OC)O
InChI
InChI=1S/C7H10O3/c1-7(2,9)5-4-6(8)10-3/h9H,1-3H3
InChIKey
JYWXWZYQRNCVPV-UHFFFAOYSA-N
Structure
CAS 209909-03-5 METHYL 4-HYDROXY-4-METHYL-2-PENTYNOATE
Specification
Purity
95%
Boiling Point
363.487ºC at 760 mmHg
Density
1.521 g/cm3
Reference Reading
1.Cold-dependent alternative splicing of a Jumonji C domain-containing gene MtJMJC5 in Medicago truncatula.
Shen Y1, Wu X1, Liu D2, Song S3, Liu D2, Wang H4. Biochem Biophys Res Commun. 2016 Apr 13. pii: S0006-291X(16)30564-2. doi: 10.1016/j.bbrc.2016.04.062. [Epub ahead of print]
Histone methylation is an epigenetic modification mechanism that regulates gene expression in eukaryotic cells. Jumonji C domain-containing demethylases are involved in removal of methyl groups at lysine or arginine residues. The JmjC domain-only member, JMJ30/JMJD5 of Arabidopsis, is a component of the plant circadian clock. Although some plant circadian clock genes undergo alternative splicing in response to external cues, there is no evidence that JMJ30/JMJD5 is regulated by alternative splicing. In this study, the expression of an Arabidopsis JMJ30/JMJD5 ortholog in Medicago truncatula, MtJMJC5, in response to circadian clock and abiotic stresses were characterized. The results showed that MtJMJC5 oscillates with a circadian rhythm, and undergoes cold specifically induced alternative splicing. The cold-induced alternative splicing could be reversed after ambient temperature returning to the normal. Sequencing results revealed four alternative splicing RNA isoforms including a full-length authentic protein encoding variant, and three premature termination condon-containing variants due to alternative 3' splice sites at the first and second intron.
2.Prior activation of inositol 1,4,5-trisphosphate receptors suppresses the subsequent induction of long-term potentiation in hippocampal CA1 neurons.
Fujii S1, Yamazaki Y2, Goto J3, Fujiwara H2, Mikoshiba K4. Learn Mem. 2016 Apr 15;23(5):208-20. doi: 10.1101/lm.041053.115. Print 2016 May.
We investigated the role of inositol 1,4,5-trisphosphate receptors (IP3Rs) activated by preconditioning low-frequency afferent stimulation (LFS) in the subsequent induction of long-term potentiation (LTP) in CA1 neurons in hippocampal slices from mature guinea pigs. Induction of LTP in the field excitatory postsynaptic potential or the population spike by the delivery of high-frequency stimulation (HFS, a tetanus of 100 pulses at 100 Hz) to the Schaffer collateral-commissural pathway to CA1 neuron synapses was suppressed when group I metabotropic glutamate receptors (mGluRs) were activated prior to the delivery of HFS. LTP induction was also suppressed when CA1 synapses were preconditioned 60 min before HFS by LFS of 1000 pulses at 1 Hz and this effect was inhibited when the test stimulation delivered at 0.05 Hz was either halted or applied in the presence of an antagonist ofN-methyl-d-aspartate receptors, group I mGluRs, or IP3Rs during a 20-min period from 20 to 40 min after the end of LFS.
3.Genome-wide identification and expression analysis of the metacaspase gene family in Hevea brasiliensis.
Liu H1, Deng Z2, Chen J3, Wang S4, Hao L5, Li D6. Plant Physiol Biochem. 2016 Apr 7;105:90-101. doi: 10.1016/j.plaphy.2016.04.011. [Epub ahead of print]
Metacaspases, a family of cysteine proteases, have been suggested to play important roles in programmed cell death (PCD) during plant development and stress responses. To date, no systematic characterization of this gene family has been reported in rubber tree (Hevea brasiliensis). In the present study, nine metacaspase genes, designated as HbMC1 to HbMC9, were identified from whole-genome sequence of rubber tree. Multiple sequence alignment and phylogenetic analyses suggested that these genes were divided into two types: type I (HbMC1-HBMC7) and type II (HbMC8 and HbMC9). Gene structure analysis demonstrated that type I and type II HbMCs separately contained four and two introns, indicating the conserved exon-intron organization of HbMCs. Quantitative real-time PCR analysis revealed that HbMCs showed distinct expression patterns in different tissues, suggesting the functional diversity of HbMCs in various tissues during development. Most of the HbMCs were regulated by drought, cold, and salt stress, implying their possible functions in regulating abiotic stress-induced cell death.
4.Development of a microfluidic paper-based analytical device for the determination of salivary aldehydes.
Ramdzan AN1, Almeida MI1, McCullough MJ2, Kolev SD3. Anal Chim Acta. 2016 May 5;919:47-54. doi: 10.1016/j.aca.2016.03.030. Epub 2016 Mar 19.
A low cost, disposable and easy to use microfluidic paper-based analytical device (μPAD) was developed for simple and non-invasive determination of total aldehydes in saliva with a potential to be used in epidemiological studies to assess oral cancer risk. The μPAD is based on the colour reaction between aldehydes (e.g. acetaldehyde, formaldehyde), 3-methyl-2-benzothiazolinone hydrazone (MBTH) and iron(III) to form an intense blue coloured formazan dye. The newly developed μPAD has a 3D design with two overlapping paper layers. The first layer comprises 15 circular detection zones (8 mm in diameter), each impregnated with 8 μL of MBTH, while the second layer contains 15 reagent zones (4 mm in diameter). Two μL of iron(III) chloride are added to each one of the second layer zones after the addition of sample to the detection zones in the first layer. All hydrophilic zones of the μPAD are defined by wax printing using a commercial wax printer.
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