(n.) A plant whose seeds divide into two seed lobes, or cotyledons, in germinating.
Example Sentences:
(1) 2,4-DP at 5 mg X liter-1 or higher concentrations caused various symptoms for the dicotyledons.
(2) Judging by the rRNA trees, Magnoliales are the most ancient group among dicotyledons.
(3) Efficient splicing of the mRNA for this coding region was observed in the infected dicotyledonous (dicot) hosts bean and tobacco despite the intron having an A + U content (57%) more typical of geminiviruses of monocot plants.
(4) In contrast to WDV, the geminiviruses of dicotyledonous plants possess a single continuous ORF, highly homologous to the two individual ones of WDV.
(5) Agrobacterium tumefaciens is a gram-negative bacterium with the unique capacity to induce neoplasmic transformations in dicotyledonous plants.
(6) The mutants exhibit similar phenotypes in protoplasts of both tobacco and maize, implying conservation of the DNA-protein interactions of the ocs enhancer sequence in monocotyledonous and dicotyledonous plants.
(7) To circumvent these difficulties, we investigated whether monocotyledonous genes can be expressed and correctly regulated in dicotyledons.
(8) Comparison with known sequences of 2S proteins of other dicotyledonous plants shows limited but distinct sequence homology.
(9) 25 storage globulins from several dicotyledonous species and a 2S albumin from sunflower.
(10) Notable features of the nucleotide sequence are the loss of an intron in rpoC1 and an insertion of approximately 450 bp in rpoC2 compared to the dicotyledons tobacco, spinach and liverwort.
(11) In basic chitinases from dicotyledonous plants such as Arabidopsis thaliana, Phaseolis vulgaris (bean), Nicotiana tabacum (tobacco), and Solanum tuberosum (potato), as well as in the chitinase isolated from the monocotyledonous plant Hordeum vulgare (barley), this position is invariably occupied by a tyrosine.
(12) Ferrochelatase was demonstrated in the chloroplasts and proplastids isolated from the primary leaves of beans (a dicotyledon) and oats (a monocotyledon).
(13) Epitope mapping of these immunoglobulins suggests that two of the three predominant epitopes may be conserved in both monocotyledonous and dicotyledonous plants.
(14) Analysis of the nad4 locus in three distantly related dicotyledons indicates that introns 2 and 3 are optional.
(15) An example of the identification key is exposed for 19 dicotyledons from their epidermal characteristics.
(16) Further, the recessive nature of the det1 mutation implies that there is negative growth control on leaf development in dicotyledonous plants in the absence of light.
(17) It is however not known how correctly and efficiently dicotyledon-specific gene expression signals are recognized in cells of Monocotyledoneae.
(18) These data are consistent with the monosaccharide compositions of the taro wall preparations, which were more similar to those of unlignified walls of dicotyledons than to unlignified walls of the Poaceae.
(19) The seed was identified as a dicotyledonous seedling of the family Compositae.
(20) Geminiviruses that infect dicotyledonous plants may be divided further by geographical origins into Old World and New World viruses.
Rubella
Definition:
(n.) An acute specific disease with a dusky red cutaneous eruption resembling that of measles, but unattended by catarrhal symptoms; -- called also German measles.
Example Sentences:
(1) Hemagglutinating (HA) activity of rubella virus was inactivated with 2-mercaptoethanol (2ME) in a dose-dependent manner.
(2) The reported case of fetal infection in spite of previous rubella vaccination of the mother does not discourage the use of rubella vaccine.
(3) Tilorone alone, or with rubella, had no effect on any of the parameters studied.
(4) This paper reports data concerning the immune status of 252 pregnant women with regard to rubella infection.
(5) The Authors report the results of IgM and IgA assays in blood of the umbilical cord of 1694 newborns during the period from October 1973 to July 1974 after a rubella epidemic occurred in Piedmont.
(6) Interestingly, when a panel of viral antibodies was tested, only those to rubella virus were elevated in the early postlaser period.
(7) Rubella IgM was detected in nine of 37,000 samples; congenital rubella infection was confirmed serologically in eight infants.
(8) Measles and rubella antibody titres in patients with and without HLA-Dw2 and HLA-B7 antigens were compared using a sensitive radioimmunoassay method.
(9) A proportion (10 out of 33, 30%) of the vaccinees developed low amounts of rubella IgG-class (both IgG1 and IgG3 isotypes) antibodies.
(10) The antibody response to the measles component was marginally better in the older group, but no differences were observed in the response to the mumps and rubella components.
(11) The results obtained for the range of pH 6.0--8.0 speak against a pH dependency of the rubella HAI test.
(12) The presence of cardiolipin (4.4 per cent), the amount of sphingomyelin (6.9 per cent) and the molar ratio of cholesterol to phospholipids (0.26) in varions seem to favor a rubella virus maturation site in the cells.
(13) Notwithstanding the fact that rubella vaccination has been recommended for all school-girls since 1973, no significant difference was noticed between the seropositivity rates of healthy females aged 18-23 observed in the period 1973-78 (i.e.
(14) Licensure and widespread distribution of attenuated rubella virus vaccines in 1969 have prevented epidemic rubella.
(15) Rubella infection of the newborn was confirmed by rubella specific IgM only if the mother had contracted German measles during the first trimester of the pregnancy (6 out of 7 cases).
(16) Pregnant women showed an overall downward trend in susceptibility to rubella (from 4.2% at the beginning of 1984 to 3.0% at the end of 1986), and a similar decline was seen in the two other categories.
(17) Sensitization to avian and other animal proteins and antibiotics which may follow the use of most of the currently available measles-mumps-rubella vaccines, either single or combined, may be expected to be eliminated when this new vaccine is used.
(18) In the 3-5 year-old group, rural environment, low socioeconomic status, no school attendance and lack of brothers were associated with statistically lower levels of measles, rubella, or mumps infection.
(19) Measles infection prevalence was significantly higher than that for rubella and mumps from 3 (48.3%, 14.2%, 25.5%, respectively) through 7 years of age, (64%, 40.9%, 39%).
(20) During epidemics, rubella virus infection should be considered in patients who manifest cardiac symptoms and signs of unknown etiology.