(1) In agamous-1, stamens to petals; in apetala2-1, sepals to leaves and petals to staminoid petals; in apetala3-1, petals to sepals and stamens to carpels; in pistillata-1, petals to sepals.
(2) All of the bolls inoculated through the carpel wall had A. flavus in the seed, but only 11% of the stem and peduncle sections were infected, indicating that the fungus does not readily grow downward from the boll into the supporting stem or peduncle.
(3) In the families of flowering plants in which these organs occur, they are patterned with the sepals in the outermost whorl or whorls of the flower, with the petals next closest to the center, the stamens even closer to the center, and the carpels central.
(4) In flowers, expression was observed in sepals, anthers, and carpels, but not in petals.
(5) Mutation of this gene (defA-1) causes homeotic transformation of petals into sepals and of stamina into carpels in flowers displaying the 'globifera' phenotype, as shown by cross sections and scanning electronmicroscopy of developing flowers.
(6) In situ hybridization revealed that FST mRNA is most abundant in the epidermal cells along the adaxial surface of petals, and in the surface cell layers of the carpel and anther walls.
(7) During development sp41 transcript accumulation starts well after carpel differentiation.
(8) We describe a locus, SUPERMAN, mutations in which result in extra stamens developing at the expense of the central carpels in the Arabidopsis thaliana flower.
(9) Mutations in this homeotic gene cause the transformation of stamens to petals in floral whorl 3 and of carpels to another ag flower in floral whorl 4.
(10) We found that AG RNA is present in the stamen and carpel primordia but is undetectable in sepal and petal primordia throughout early wild-type flower development, consistent with the mutant phenotype.
(11) New mutations at the APETALA2 locus, ap2-2, ap2-8 and ap2-9, cause homeotic conversions in the outer two whorls: sepals to carpels (or leaves) and petals to stamens.
(12) Wild-type in vitro placental cultures also produce outgrowths identified as homologs of whole carpels.
(13) Comparative studies between two pea cultivars, one with a high incidence of seed transmission and one with none, showed that PSbMV infected the floral tissues (sepals, petals, anther and carpel) of both cultivars, but was not detected in ovules prior to fertilization.
(14) In both sets of chimeras, carpel number as well as the size of the floral meristem during carpel initiation were not determined by the genotype of cells in the outer two layers of the meristem (L1 and L2) but were determined by the genotype of cells occupying the inner layer (L3) of the meristem.
(15) In contrast to the early expression pattern, later in flower development, AG RNA is restricted to specific cell types within the stamens and carpels as cellular differentiation occurs in those organs.
(16) Mutations in the APETALA3 (AP3) gene of A. thaliana result in homeotic transformations of petals to sepals and stamens to carpels.
(17) Thickening of the transverse carpal ligaments is unusual in patients with the carpal tunnel syndrome but is a common finding in the relatively few patients with familial carpel tunnel syndrome so far described in the literature.
(18) The agamous gene therefore probably encodes a transcription factor that regulates genes determining stamen and carpel development in wild-type flowers.
(19) Interspecific chimeras were generated between tomato and L. peruvianum, which differ in number of carpels per flower.
(20) We have generated periclinal chimeras between plants that differ in the number of carpels per flower to determine the roles of cells occupying specific positions in the floral meristem in determining the number of carpels initiated.
Stigma
Definition:
(v. t.) A mark made with a burning iron; a brand.
(v. t.) Any mark of infamy or disgrace; sign of moral blemish; stain or reproach caused by dishonorable conduct; reproachful characterization.
(v. t.) That part of a pistil which has no epidermis, and is fitted to receive the pollen. It is usually the terminal portion, and is commonly somewhat glutinous or viscid. See Illust. of Stamen and of Flower.
(v. t.) A small spot, mark, scar, or a minute hole; -- applied especially to a spot on the outer surface of a Graafian follicle, and to spots of intercellular substance in scaly epithelium, or to minute holes in such spots.
(v. t.) A red speck upon the skin, produced either by the extravasation of blood, as in the bloody sweat characteristic of certain varieties of religious ecstasy, or by capillary congestion, as in the case of drunkards.
(v. t.) One of the external openings of the tracheae of insects, myriapods, and other arthropods; a spiracle.
(v. t.) One of the apertures of the pulmonary sacs of arachnids. See Illust. of Scorpion.
(v. t.) One of the apertures of the gill of an ascidian, and of Amphioxus.
(v. t.) A point so connected by any law whatever with another point, called an index, that as the index moves in any manner in a plane the first point or stigma moves in a determinate way in the same plane.
(v. t.) Marks believed to have been supernaturally impressed upon the bodies of certain persons in imitation of the wounds on the crucified body of Christ. See def. 5, above.
Example Sentences:
(1) Health information dissemination is severely complicated by the widespread stigma associated with digestive topics, manifested in the American public's general discomfort in communicating with others about digestive health.
(2) It is likely that many of the girls end up working in brothels, but due to the stigma of being a sex worker they will usually report they were forced into marriage.
(3) To feel like a useful human being without any stigma attached, without undue fears and pressures but with a sense of being needed and wanted, that is what life is all about.
(4) Prince Harry and the Duke and Duchess of Cambridge have enlisted a rapper, a Royal Marine and a Labour spin doctor to try to push stigma about discussing mental health beyond what they believe is a “tipping point” and into public acceptability.
(5) This stigma remains to the present and was observed to exist even among service providers: Low knowledge levels of patients on the causes of the disease on the one hand, and service providers on the cure, particularly on the use of Multiple Drug Therapy.
(6) The failure of this effort, along with the stigma against psychiatry has led to poor treatment of disturbed patients by primary care physicians.
(7) The stigma of having no brothers or sisters meant that any acting up was immediately dismissed with a caustic, “Well, he is an only child.” The subtext was that my parents had doted on me excessively, inflating my sense of importance.
(8) Patients react to the physical realities of the disease while experiencing the stigma and fear which society imposes on AIDS.
(9) She also warned over increasing stigma being shown toward Gypsies, Travellers and Roma struggling to find accommodation.
(10) Commonly there is a desire by girl learners to continue their education , especially their formal education, despite their pregnancy even when the barriers to returning to school imposed by their families or schools and social stigmas may not easily permit it.
(11) This article focuses on the management of stigma by methadone maintenance patients.
(12) The patients may find that a psychiatric diagnostic label is a stigma and has bad consequences.
(13) You take one aspect of someone or some group's behaviour and jump to far-reaching conclusions as to their mental state and inflict an unwarranted stigma upon them.
(14) Factor analysis yielded four indices: a) impact of disease (e.g., being a burden, loss of energy, loss of bowel control); b) sexual intimacy; c) complications of disease (e.g., developing cancer, having surgery, dying early); and d) body stigma (e.g., feeling dirty or smelly).
(15) The UCI should also pay more attention to medical issues in cycling and when Therapeutic Use Exemptions should be granted Words of warning Sanctioned riders should be used ‘as an educational tool’ to inform their peers about the dangers of doping through interviews, appearances, lectures and recorded messages pointing out the impact of doping on their lives, ‘the social stigma, financial impact, health effects and self-esteem issues’ Voice of the union The UCI should ‘facilitate the creation of a strong riders’ union … to give riders a collective voice particularly on issues of ownership, revenue sharing, the racing calendar and anti-doping.
(16) In essence, criminalisation leads to stigma, and stigma leads to harassment."
(17) The sequence is reported of a cDNA molecule homologous to an mRNA from stigma tissue of Brassica oleracea plants homozygous for the S5 self-incompatibility allele.
(18) It was really only when William Styron published Darkness Visible in 1990 that depression entered mainstream social discourse and began to lose its stigma (even growing into a badge of honour for a while).
(19) As part of UNAids’ Protect the Goal campaign to raise awareness of HIV and Aids during the World Cup in Rio, we explored whether tweets could be used to measure HIV-related stigma.
(20) Encopresis afflicts one in 100 children causing considerable stigma and parental concern.