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Academic literature on the topic 'Apricot Eyes'
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Journal articles on the topic "Apricot Eyes"
1
Peng, X. B., and S. M. Mount. "Characterization of enhancer-of-white-apricot in Drosophila melanogaster." Genetics 126, no. 4 (December 1, 1990): 1061–69. http://dx.doi.org/10.1093/genetics/126.4.1061.
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Abstract The white-apricot (wa) allele differs from the wild-type white gene by the presence of the retrovirus-like transposable element copia within the transcription unit. Most RNAs derived from wa have 3' termini within this insertion, and only small amounts of structurally normal RNA are produced. The activity of wa is reduced in trans by a semidominant mutation in the gene Enhancer-of-white-apricot (E(wa). Flies that are wa and heterozygous for the enhancer have eyes which are much lighter than the orange-yellow of wa alone while E(wa) homozygotes have white eyes. This semidominant effect on pigmentation is correlated with a corresponding decrease in white RNA having wild type structure, and flies homozygous for E(wa) have increased levels of aberrant RNAs. Three reverant alleles of E(wa) generated by reversion of the dominant enhancer phenotype with gamma radiation are noncomplementing recessive lethals, with death occurring during the larval stage. The effects on wa eye pigmentation of varying doses of the original E(wa) allele, the wild type allele, and the revertant alleles suggest that the original E(wa) allele produces a product that interferes with the activity of the wild type gene and that the revertants are null alleles. We propose that the E(wa) gene product influences the activity of the downstream copia long terminal repeat in 3' end formation.
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Hyun, Soo-Wang, Junghyun Kim, Bongkyun Park, Kyuhyung Jo, Tae Lee, Jin Kim, and Chan-Sik Kim. "Apricot Kernel Extract and Amygdalin Inhibit Urban Particulate Matter-Induced Keratoconjunctivitis Sicca." Molecules 24, no. 3 (February 12, 2019): 650. http://dx.doi.org/10.3390/molecules24030650.
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Exposure to particulate matter is a risk factor for various ocular surface diseases, including keratoconjunctivitis sicca (KCS). In this study, we investigated the protective effects of apricot kernel extract (AKE) and its bioactive compound, amygdalin, on KCS induced by exposure to urban particulate matter (UPM). In the in vivo experiments, eye drops containing 0.5 mg/mL AKE (AKE-0.5) or 1 mg/mL AKE (AKE-1) were administered directly into the eyes of female rats after UPM exposure. Additionally, the effect of AKE and amygdalin on matrix metalloproteinases (MMPs) activity and the expressions of inflammatory factors, including tumor necrosis factor (TNF)-α and interleukin (IL)-6, was investigated in conjunctival epithelial cells in vitro. Topical administration of AKE-1 attenuated UPM exposure-induced reduction of tear secretion. Both AKE-0.5 and AKE-1 inhibited UPM exposure-induced corneal epithelial damage and irregularity. AKE also protected against UPM exposure-induced disruption of the mucin-4 layer on the ocular surface. In addition, AKE and amygdalin prevented UPM-induced activation of MMPs and upregulation of TNF-α and IL-6 in conjunctival epithelial cells. Therefore, AKE may have protective effects against UPM exposure-induced KCS via the inhibition of MMPs and inflammation. The pharmacological activities of AKE may be in part due to its bioactive compound, amygdalin.
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Biglova, A. R., and A. A. Reut. "Assessment of decorative features of representatives of the genus narcissus l. in the South-Ural botanical garden-institute of UFRC RAS." Pomiculture and small fruits culture in Russia 62 (October 1, 2020): 142–51. http://dx.doi.org/10.31676/2073-4948-2020-62-142-151.
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The article presents the results of the primary introduction study of nine new varieties of the genus Narcissus L. (‘Apricot Whirl’, ‘Candy Princess’, ‘Green Eyes’, ‘Mon Cheri’, ‘Peach Cobbler’, ‘Slim Whitman’, ‘Sunlover’, ‘Sunny Girlfriend’, ‘Sunny Side Up’) on the basis of the South-Ural Botanical Garden-Institute of Ufa Federal Research Centre of Russian Academy of Sciences. It is shown that more than half of these cultivars from the SUBGI UFRC RAS collection are represented by plants registered in the last century. According to the international classification, introduced species were assigned to four groups. The maximum number of varieties is presented in groups: large-crowned narcissus and narcissus with a split crown. It was revealed that in two years of study, all cultivars reached the flowering phase. The main biomorphological parameters of introduced varieties (plant height, leaf length and width, flower diameter, length and width of the crown and perianth lobes) were studied. It has been determined that most varieties are characterized by a two-tone color and an average flower size. Phenological observations were carried out. It was revealed that spring regrowth in all studied varieties is observed aft er snow melt in the second decade of April. By the timing of flowering, cultivars are divided into early (flowering in the III decade of April) and early middle (flowering in the I decade of May). The duration of the flowering phase varied on average from 6 to 12 days. The decorative qualities of the studied varieties have been investigated. On a 100-point scale, five cultivars scored over 90 points (‘Mon Cheri’, ‘Sunlover’, ‘Candy Princess’, ‘Apricot Whirl’, ‘Sunny Side Up’). They have large and beautifully shaped flowers, with a clean bright color of the perianth and crown, strong and tall peduncles, long and abundant flowering, pleasant aroma. These varieties are the most promising for inclusion in the zonal assortment of cultivated plants recommended for use in green building in the Republic of Bashkortostan.
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Ni, Xiaopeng, Song Xue, Shahid Iqbal, Wanxu Wang, Zhaojun Ni, Muhammad Khalil-ur-Rehman, and Zhihong Gao. "Candidate genes associated with red colour formation revealed by comparative genomic variant analysis of red- and green-skinned fruits of Japanese apricot (Prunus mume)." PeerJ 6 (May 4, 2018): e4625. http://dx.doi.org/10.7717/peerj.4625.
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The red-skinned fruit of Japanese apricot (Prunus mumeSieb. et Zucc) appeals to customers due to its eye-catching pigmentation, while the mechanism related to its colour formation is still unclear. In this study, genome re-sequencing of six Japanese apricot cultivars was carried out with approximately 92.2 Gb of clean bases using next-generation sequencing. A total of 32,004 unigenes were assembled with an average of 83.1% coverage rate relative to reference genome. A wide range of genetic variation was detected, including 7,387,057 single nucleotide polymorphisms, 456,222 insertions or deletions and 129,061 structural variations in all genomes. Comparative sequencing data revealed that 13 candidate genes were involved in biosynthesis of anthocyanin. Significantly higher expression patterns were observed in genes encoding three anthocyanin synthesis structural genes (4CL,F3HandUFGT), five transcription factors (MYB–bHLH–WD40 complexes and NAC) and five anthocyanin accumulation related genes (GST1,RT1,UGT85A2, ABC and MATE transporters) in red-skinned than in green-skinned Japanese apricots using reverse transcription-quantitative polymerase chain reaction. Eight main kinds of anthocyanin s were detected by UPLC/MS, and cyanidin 3-glucoside was identified as the major anthocyanin (124.2 mg/kg) in red-skinned cultivars. The activity of UDP-glucose flavonoid-3-O-glycosyltransferase enzyme determined by UPLC was significantly higher in all red-skinned cultivars, suggesting that it is the potential vital regulatory gene for biosynthesis of anthocyanin in Japanese apricot.
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Tatsuzawa, Fumi. "7-O-Methylpelargonidin Glycosides from the Pale Red Flowers of Catharanthus Roseus." Natural Product Communications 8, no. 8 (August 2013): 1934578X1300800. http://dx.doi.org/10.1177/1934578x1300800816.
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Two new anthocyanidin glycosides were isolated from the pale red flowers of Catharanthus roseus ‘Equator Apricot with Red Eye’, and identified as 7- O-methylpelargonidin 3- O-[6- O-(α-rhamnopyranosyl)-β-galactopyranoside] and 7- O-methylpelargonidin 3- O-(β-galactopyranoside) by chemical and spectroscopic methods.
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Mount, S. M., M. M. Green, and G. M. Rubin. "Partial revertants of the transposable element-associated suppressible allele white-apricot in Drosophila melanogaster: structures and responsiveness to genetic modifiers." Genetics 118, no. 2 (February 1, 1988): 221–34. http://dx.doi.org/10.1093/genetics/118.2.221.
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Abstract The eye color phenotype of white-apricot (wa), a mutant allele of the white locus caused by the insertion of the transposable element copia into a small intron, is suppressed by the extragenic suppressor suppressor-of-white-apricot (su(wa] and enhanced by the extragenic enhancers suppressor-of-forked su(f] and Enhancer-of-white-apricot (E(wa]. Derivatives of wa have been analyzed molecularly and genetically in order to correlate the structure of these derivatives with their response to modifiers. Derivatives in which the copia element is replaced precisely by a solo long terminal repeat (sLTR) were generated in vitro and returned to the germline by P-element mediated transformation; flies carrying this allele within a P transposon show a nearly wild-type phenotype and no response to either su(f) or su(wa). In addition, eleven partial phenotypic revertants of wa were analyzed. Of these, one appears to be a duplication of a large region which includes wa, three are new alleles of su(wa), two are sLTR derivatives whose properties confirm results obtained using transformation, and five are secondary insertions into the copia element within wa. One of these, waR84h, differs from wa by the insertion of the most 3' 83 nucleotides of the I factor. The five insertion derivatives show a variety of phenotypes and modes of interaction with su[f) and su(wa). The eye pigmentation of waR84h is affected by su(f) and E(wa), but not su(wa). These results demonstrate that copia (as opposed to the interruption of white sequences) is essential for the wa phenotype and its response to genetic modifiers, and that there are multiple mechanisms for the alteration of the wa phenotype by modifiers.
7
Kurkulos, M., J. M. Weinberg, D. Roy, and S. M. Mount. "P element-mediated in vivo deletion analysis of white-apricot: deletions between direct repeats are strongly favored." Genetics 136, no. 3 (March 1, 1994): 1001–11. http://dx.doi.org/10.1093/genetics/136.3.1001.
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Abstract We have isolated and characterized deletions arising within a P transposon, P[hswa], in the presence of P transposase. P[hswa] carries white-apricot (wa) sequences, including a complete copia element, under the control of an hsp70 promoter, and resembles the original wa allele in eye color phenotype. In the presence of P transposase, P[hswa] shows a high overall rate (approximately 3%) of germline mutations that result in increased eye pigmentation. Of 234 derivatives of P[hswa] with greatly increased eye pigmentation, at least 205 carried deletions within copia. Of these, 201 were precise deletions between the directly repeated 276-nucleotide copia long terminal repeats (LTRs), and four were unique deletions. High rates of transposase-induced precise deletion were observed within another P transposon carrying unrelated 599 nucleotide repeats (yeast 2 mu FLP; recombinase target sites) separated by 5.7 kb. Our observation that P element-mediated deletion formation occurs preferentially between direct repeats suggests general methods for controlling deletion formation.
8
Kerremans, Ph, E. Gencheva, and G. Franz. "Genetic and cytogenetic analysis of Y-autosome translocations in the Mediterranean fruit fly, Ceratitis capitata." Genome 35, no. 2 (April 1, 1992): 264–72. http://dx.doi.org/10.1139/g92-041.
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Radiation-induced translocations in the Mediterranean fruit fly, Ceratitis capitata, linking the Y chromosome to either autosome 3 or 4 produced pseudolinkage between sex and the mutations dark pupa (dp) and apricot eye (ap), respectively. The genetic behaviour of six new strains is described and the structural basis of five of them is determined through analysis of polytene and mitotic chromosomes. Five strains exhibited low levels of recombination; however, one strain produced a larger number than expected of aberrant, wild-type females. We provide evidence that this is the consequence of the survival of adjacent-1 segregation products until adulthood.Key words: medfly, mass rearing, genetic sexing, recombination, segregation.
9
Sabl, Joy F., and James A. Birchler. "Dosage dependent modifiers of white alleles in Drosophila melanogaster." Genetical Research 62, no. 1 (August 1993): 15–22. http://dx.doi.org/10.1017/s0016672300031517.
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SummaryAs part of a study to identify dosage-sensitive modifiers of the white eye colour locus and the retrotransposon, copia, a segmental aneuploid screen was conducted. It surveys the autosomal complement of the genome for dosage dependent modifiers of white, including ones effective upon retrotransposon insertion-induced alleles. Several regions were found which, when present as a segmental trisomy, affected one or more of the alleles tested in a strong and consistent fashion. Two of these regions have been identified as containing previously described modifiers, Darkener of-apricot and Inverse regulator-a. The remainder identify new white allele modifiers. Selected segmental monosomics were also tested where possible for regions exhibiting a trisomic effect. At least three regions were found to have a dosage-dependent effect in one, two and three copies.
10
Banko, Thomas J., and Marcia A. Stefani. "Evaluation of Bedding Plant Varieties for Resistance to Phytophthora." Journal of Environmental Horticulture 18, no. 1 (March 1, 2000): 40–44. http://dx.doi.org/10.24266/0738-2898-18.1.40.
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Abstract Seedlings of several annual and perennial bedding plant species were inoculated with an isolate of Phytophthora nicotianae (synonym = P. parasitica) and planted into field beds in a simulated landscape situation. Throughout the growing season, growth measurements and disease ratings of the inoculated plants were compared with those of non-inoculated control plants of the same species in identical beds. Phytophthora-inoculated plants that continued to thrive through most of the growing season included Ageratum houstonianum, Celosia ‘Apricot Brandy’, and ‘New Look’; Dahlia ‘Harlequin’; Eustoma grandiflorum (prairie gentian); Lobularia ‘Carpet of Snow’; Nicotiana ‘Alta Dwarf White’, ‘Domino Salmon’, and ‘Nicki Red’; Pelargonium (geranium) ‘Multibloom Scarlet Eye’; Petunia ‘Polo Salmon’, and ‘Sugar Daddy’; Portulaca ‘Sundial Peppermint’; Rudbeckia ‘Rustic Dwarf’; Salvia ‘Lady in Red’, and ‘Victoria Blue’; Tagetes (marigold) ‘Disco Mix’, ‘Inca Orange’, ‘Inca Yellow’, ‘Janie Harmony Improved’, and ‘Gold Fireworks’; and Zinnia angustifolia. Plants that performed poorly following inoculation with Phytophthora include Antirrhinum (snapdragon) ‘Liberty White’, and ‘Liberty Mix’; Catharanthus (vinca) ‘Little Bright Eye’, and ‘Tropicana Rose’; Hibiscus ‘Disco Belle Mix’; Impatiens ‘Accent Bright Eye’; Leucanthemum x ‘Alaska’; Melampodium ‘Medallion’; Salvia ‘Turkestanica’; Torenia ‘Clown Mix’; Verbena ‘Imagination’; and Viola (pansy) ‘Fama See Me’. This study identifies bedding plant taxa which will provide an acceptable display in landscape beds infested with Phytopthora nicotianae (synonym = P. parasitica).