(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.
Seedling
Definition:
(n.) A plant reared from the seed, as distinguished from one propagated by layers, buds, or the like.
Example Sentences:
(1) In aqueous solution, N-substituted isoxazolin-5-one derivatives, which occur in high amounts in seedlings of the tribe Vicieae, can be shown to undergo a proton exchange at C-4, indicative of their aromatic character.
(2) The PKABA1 transcript can also be induced by supplying low concentrations of ABA, and coordinate increases in ABA levels and PKABA1 mRNA occur when seedlings are water-stressed.
(3) Most definitive results were obtained when seedlings were ground in the presence of sand and in a medium containing sorbitol.
(4) Germinal excisions resulted in fully green seedlings.
(5) There were no detectable differences in the patterns of histone variants from immature grain (3-16 days after fertilization), from mature embryos, from coleoptiles and roots of 4-day-old, etiolated seedlings and from leaves of 10-day-old, light-grown seedlings.
(6) The maximal level as well as the kinetics of the induction were comparable between the suspension culture and soybean seedlings.
(7) Thirty-day-old corn seedlings, grown in the greenhouse with different concentrations of supplemental nitrate nitrogen, were moved to a constant-temperature growth chamber and sealed in a 560-liter tent made of polyvinyl chloride.
(8) The biological effect of vibration of Lactuca sativa dry seeds and seedlings cultivated at optimal (20 degrees C) and suboptimal (4 degrees C) temperatures was studied.
(9) The mRNAs begin to accumulate during late embryogeny, reach maximal levels in seedling cotyledons, are not detected at significant amounts in leaves, and are distributed similarly in cotyledons and axes of seedlings.
(10) Experiments involving one of the clear pathogenicity mutants indicated that the recovery of mutant cells from turnip seedlings 24 hr after inoculation was lower than for the wild type.
(11) The fourteenth case in the literature of lacrimal sac melanoma and possibly the first by tear seedling is illustrated.
(12) The development of PSII complex precedes that of PSI during the differentiation of B and M chloroplasts in expanding leaves of light-grown plants and during the greening of dark-grown etiolated seedlings.
(13) Hormone-like activity and efficiency of nitrate uptake by rice seedlings were stimulated by EAB and HEf, while HSp showed only negligible activity.
(14) Short pulses of red light induce in etiolated barley seedlings an enhanced synthesis of plastidic benzoquinones and vitamin K1, which can be reverted by subsequent irradiation with short pulses of far-red.
(15) The diurnal fluctuation in Cat3 mRNA persists when the seedlings are transferred to continuous light or darkness, which indicates the influence of a circadian rhythm.
(16) RNA blot analysis showed that HPR transcript levels rise significantly in the first eight days of light-grown seedling development.
(17) The results indicated that the mutant contains wild-type levels of the light-labile type 1 phytochrome polypeptide (PHYA), which has an apparent molecular mass of approximately 120 kD, but shows less than 1% (detection limit) of a light-stable polypeptide recognized by mAT1 in wild-type seedlings.
(18) A second category of 13 clones hybridized to transcripts that increased in abundance during post-germinative development of the seedling.
(19) CG-1 activity is constitutively expressed in tobacco seedlings grown in the absence of ultraviolet light as well as in seedlings induced for chalcone synthase gene expression by ultraviolet light irradiation.
(20) The oil was found non-phytotoxic to the seedling growth and seed germination of wheat.