What's the difference between dicotyledonous and monocotyledonous?

Dicotyledonous


Definition:

  • (a.) Having two cotyledons or seed lobes; as, a dicotyledonous plant.

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.

Monocotyledonous


Definition:

  • (a.) Having only one cotyledon, seed lobe, or seminal leaf.

Example Sentences:

  • (1) 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.
  • (2) To circumvent these difficulties, we investigated whether monocotyledonous genes can be expressed and correctly regulated in dicotyledons.
  • (3) 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.
  • (4) The resulting transconjugants were used to inoculate the monocotyledonous plants sorghum, maize, rice, and wheat.
  • (5) Ferrochelatase was demonstrated in the chloroplasts and proplastids isolated from the primary leaves of beans (a dicotyledon) and oats (a monocotyledon).
  • (6) Epitope mapping of these immunoglobulins suggests that two of the three predominant epitopes may be conserved in both monocotyledonous and dicotyledonous plants.
  • (7) The greatest differences were observed with the enzyme isolated from leaves of the monocotyledonous plants Zea mays (maize) and Triticum aestivum (wheat).
  • (8) Brome mosaic virus (BMV) is an icosahedral virus with a tripartite RNA genome which infects monocotyledonous plants, while the cowpea or legume strain of tobacco mosaic virus (CcTMV) is a rod-shaped virus with a single component RNA genome which infects dicotyledonous plants.
  • (9) The uptake of (14)CO(2) into beta-carotene and phytol in mature chloroplasts is very low in monocotyledons but somewhat greater in dicotyledons.
  • (10) We conclude that the synthesis of chloroplast-localized HSPs is an important component of the stree response in all higher plants and that chloroplast HSPs from dicotyledonous and monocotyledonous plants have a conserved carboxyl-terminal domain.
  • (11) Two other cell-wall preparations, representing lignified walls of dicotyledons and unlignified walls of vegetative parts of grasses and cereals (monocotyledons belonging to the family Poaceae), adsorbed DNP much more effectively.
  • (12) At this point, they were implanted s.c. with elastomer capsules that were either empty or packed with 30-40 mg of 6-methoxybenzoxazolinone (6-MBOA), a compound found naturally in some monocotyledonous plants; half of the animals from each treatment group were then kept in long days (14L:10D) or transferred to short days (9L:15D).
  • (13) The adhesin was also found to be involved in the attachment of rhizobia to the root hairs of various other legumes and nonlegume plants, including monocotyledonous ones.
  • (14) The complexity of plant U-type small nuclear ribonucleoprotein particles (UsnRNPs) may represent one level at which differences in splicing between animals and plants and between monocotyledonous and dicotyledonous plants could be effected.
  • (15) The evolutionary relationship between PSV and other geminiviruses infecting monocotyledons is discussed.
  • (16) In contrast to European food plants, which are mostly dicotyledons, South Pacific food plants are mainly monocotyledons.
  • (17) As to the phylogenetic position of the two Angiospermae classes, extant monocotyledons seem to be a paraphyletic group located near the root of the angiosperm branch; it emerged at the earliest stages of angiosperm evolution.
  • (18) Dicotyledons and several other groups have the same pattern of 23 S fragmentation, often comprising all the fragments mentioned above, whilst Graminaceae (Monocotyledons) constitute a special group with a very predominant 0.35 x 10(6) dalton fragment and the absence of the 0.45 x 10(6) dalton fragment.
  • (19) Although the frequency of stable transformation is low, direct DNA uptake is applicable to those plants not amenable to Agrobacterium transformation, particularly monocotyledons.
  • (20) A stepwise calculation for the conformation of fucosyl-galactosyl-xylosyl residue gave 10 allowed area (phi-psi) maps which are useful to deduce xyloglucan conformations of both monocotyledons and dicotyledons in the walls of growing plant cells.

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