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Artículos de revistas sobre el tema "Mesophyll"

Autor: Grafiati

Publicado: 4 de junio de 2021

Última modificación: 25 de julio de 2025

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1

Sulistiarini, Diah, and Eka Fatmawati Tihurua. "Leaf Anatomy of Three Varians of Arundina graminifolia (D. Don.) Hochr." Jurnal Natur Indonesia 11, no. 2 (2012): 78. http://dx.doi.org/10.31258/jnat.11.2.78-82.

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Three variations of Arundina graminifolia flowers have been recognized, (1) group of big flower with reddish violetlip and purplelish white sepals and petals (2) group of small flower with white lip and white sepals and petals (3)similar to second variation but with purple color on the lip apex. In order to clarify the taxonomy status of thosethree variations, a leaf anatomical study had been carried out. Results of this study showed that there were somedifferences among them in trichome shape and number mesophyll layers. Big flower group of Arundina hastrichome club shape and thick mucous in

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2

Belaeva, Tatiana N., Liu Si, Alina N. Butenkova, and Alexey S. Prokopyev. "Anatomy of leaves of Siberian species of the genus Lilium in conditions of Western Siberia forest zone." Acta Biologica Sibirica 10 (December 11, 2024): 1573–88. https://doi.org/10.5281/zenodo.14329047.

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Siberia harbors four lily species. The number of Siberian lily populations has declined in recent years due to habitat disturbance caused by anthropogenic impact, including tourism, urban expansion, economic activities, and active harvesting of flowering plants for bouquets. The aim of this study was to conduct a comparative analysis of the leaf anatomical structure of three Siberian species of the genus <em>Lilium </em>(<em>L. pensylvanicum</em> Ker-Gawler,<em> L. pilosiusculum</em> (Freyn) Miscz. and <em>L. pumilum</em> DC.), successfully introduced into the Siberian Botanical Garden of Toms

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3

Lersten, Nels R., and Curt L. Brubaker. "Paraveinal mesophyll, and its relationship to vein endings, in Solidago canadensis (Asteraceae)." Canadian Journal of Botany 67, no. 5 (1989): 1429–33. http://dx.doi.org/10.1139/b89-190.

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Paraveinal mesophyll is described from leaves of a common goldenrod species, Solidago canadensis L. (tribe Astereae). This is the first report of paraveinal mesophyll from the Asteraceae. It is a uniseriate middle layer consisting of horizontally lobed cells that form a lacy meshwork between veins. It abuts the tightly cylindrical bundle sheath at the level of the xylem in all vascular bundles. Vein endings, however, differ from other vascular bundles in two ways: sieve tube members may extend to the vein tip, end at an intermediate point, or be absent, and lateral bundle sheath cells distal t

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4

Liljebjelke, Karen A., and Vincent R. Franceschi. "Differentiation of Mesophyll and Paraveinal Mesophyll in Soybean Leaf." Botanical Gazette 152, no. 1 (1991): 34–41. http://dx.doi.org/10.1086/337860.

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5

Kevekordes, K. G., M. E. McCully, and M. J. Canny. "The occurrence of an extended bundle sheath system (paraveinal mesophyll) in the legumes." Canadian Journal of Botany 66, no. 1 (1988): 94–100. http://dx.doi.org/10.1139/b88-014.

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The tissue previously described as paraveinal mesophyll in soybean leaves is shown to have the characters of bundle sheath rather than mesophyll cells and is renamed "extended bundle sheath" (EBS) tissue. Its presence was surveyed by leaf clearing in 66 species of legumes of all three subfamilies. A complete extended bundle sheath system similar to that previously described in soybean was identified in 21 of the species. This system is a paradermally oriented tissue, one cell deep, between the spongy and palisade mesophylls, consisting of extended bundle sheath cells, which join each other acr

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6

Kim, InSun, and David G. Fisher. "Structural aspects of the leaves of seven species of Portulaca growing in Hawaii." Canadian Journal of Botany 68, no. 8 (1990): 1803–11. http://dx.doi.org/10.1139/b90-233.

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Seven species of Portulaca growing in Hawaii can be divided into two groups based on the morphology, anatomy, and ultrastructure of their leaves. Portulaca oleracea, P. molokiniensis, P. lutea, forming group A, have spatulate to obovate leaves, paradermal minor veins, and mesophyll cells that completely encircle the minor veins. The chloroplasts in their bundle sheath cells are larger than those in the mesophyll cells and have well-developed grana and reduced peripheral reticulum. Bundle sheath mitochondria are larger and more numerous than those in the mesophyll, and chloroplasts in the mesop

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7

Pshennikova, L. M. "The implication of leaf anatomical structure for the selective breeding of lilacs." Vavilov Journal of Genetics and Breeding 25, no. 5 (2021): 534–42. http://dx.doi.org/10.18699/vj21.060.

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The cultivars of the common lilac (Syringa vulgaris) grown in the south of the Russian Far East are not always winter-hardy and are often damaged by fungal diseases due to a very humid climate. A promising trend in the selective breeding of lilacs in Russia is the creation of new breeding material based on the gene pool of the broadleaf lilac (S. oblata) and its hybrids in order to introduce valuable adaptive traits into cultivars. The present work aimed to identify the traits of leaf anatomy in species and cultivars of Syringa resistant and susceptible to Pseudocercospora lilacis, the causati

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8

Théroux-Rancourt, Guillaume, Adam B. Roddy, J. Mason Earles, et al. "Maximum CO 2 diffusion inside leaves is limited by the scaling of cell size and genome size." Proceedings of the Royal Society B: Biological Sciences 288, no. 1945 (2021): 20203145. http://dx.doi.org/10.1098/rspb.2020.3145.

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Maintaining high rates of photosynthesis in leaves requires efficient movement of CO 2 from the atmosphere to the mesophyll cells inside the leaf where CO 2 is converted into sugar. CO 2 diffusion inside the leaf depends directly on the structure of the mesophyll cells and their surrounding airspace, which have been difficult to characterize because of their inherently three-dimensional organization. Yet faster CO 2 diffusion inside the leaf was probably critical in elevating rates of photosynthesis that occurred among angiosperm lineages. Here we characterize the three-dimensional surface are

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9

Gibadulina, I. I., M. V. Larionov, and N. N. Maslennikova. "Anatomical and Morphological Features of the Leaves of Tilia Cordata Mill. As an Indicator of the Adaptive Capabilities of the Species to the Conditions of the Urban Environment." IOP Conference Series: Earth and Environmental Science 988, no. 3 (2022): 032082. http://dx.doi.org/10.1088/1755-1315/988/3/032082.

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Abstract Study of the anatomical and morphological features of the photosynthetic apparatus of Tilia cordata Mill. showed that the volume of leaf mesophyll cells in an urbanized environment is higher than in natural plantings. The cells of the palisade mesophyll of the leaf have a greater variability of this indicator during the growing season as compared to the cells of the spongy mesophyll. Positive correlations of the indicator of the volume of cells of the palisade mesophyll with the indicator of the air pollution index, the content of phenol, formaldehyde, benzo(a)pyrene and negative corr

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10

Zvereva, G. K. "The structure of the mesophyll and assimilative apparatus of the chloridoid grasses leaves." Проблемы ботаники южной сибири и монголии 19, no. 2 (2020): 202–6. http://dx.doi.org/10.14258/pbssm.2020103.

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The structure of the mesophyll and assimilative apparatus of leaf blades and leaf sheaths was studied atchloridoid grasses Aeluropus intermedius, Cleistogenes squarrosa, Crypsis aculeata and Tripogon chinensis, growing indifferent habitats of Siberia. All plant species are characterized by the manifestation of C4-coronary syndrome. Spatialforms of mesophyll cells radially arranged around Kranz cells and intercostal zone cells were considered. It is shown, thatleaf mesophyll at xerophytes Cleistogenes squarrosa and Tripogon chinensis is composed of cellular cells. At the grasses of saline habit

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11

Fujita, Takashi, Ko Noguchi, Hiroshi Ozaki, and Ichiro Terashima. "Confirmation of mesophyll signals controlling stomatal responses by a newly devised transplanting method." Functional Plant Biology 46, no. 5 (2019): 467. http://dx.doi.org/10.1071/fp18250.

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There are opposing views on whether the responses of stomata to environmental stimuli are all autonomous reactions of stomatal guard cells or whether mesophyll is involved in these responses. Transplanting isolated epidermis onto mesophyll is a potent methodology for examining the roles of mesophyll-derived signals in stomatal responses. Here we report on development of a new transplanting method. Leaf segments of Commelina communis L. were pretreated in the light or dark at 10, 39 or 70Pa ambient CO2 for 1h. Then the abaxial epidermises were removed and the epidermal strips prepared from the

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12

Johnston, M., CPL Grof, and PF Brownell. "Chlorophyll a/b Ratios and Photosystem Activity of Mesophyll and Bundle Sheath Fractions From Sodium-Deficient C4 Plants." Functional Plant Biology 16, no. 6 (1989): 449. http://dx.doi.org/10.1071/pp9890449.

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Significantly lower chlorophyll a/b ratios were observed in mesophyll thylakoids extracted from sodium-deficient than normal C4 plants of Amaranthus tricolor, Chloris gayana and Kochia childsii. The chlorophyll a/b ratio of bundle sheath thylakoids was not generally as significantly affected by sodium nutrition as the mesophyll thylakoids. The lower chlorophyll a/b ratio in mesophyll thylakoids of sodium-deficient plants was associated with a lower photosystem II activity. The effect of sodium nutrition on photosystem I activity in the mesophyll thylakoids was dependent upon the species. Altho

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13

Hotto, Amber M., Coralie Salesse-Smith, Myat Lin, Florian A. Busch, Isabelle Simpson, and David B. Stern. "Rubisco production in maize mesophyll cells through ectopic expression of subunits and chaperones." Journal of Experimental Botany 72, no. 13 (2021): 4930–37. http://dx.doi.org/10.1093/jxb/erab189.

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Abstract C4 plants, such as maize, strictly compartmentalize Rubisco to bundle sheath chloroplasts. The molecular basis for the restriction of Rubisco from the more abundant mesophyll chloroplasts is not fully understood. Mesophyll chloroplasts transcribe the Rubisco large subunit gene and, when normally quiescent transcription of the nuclear Rubisco small subunit gene family is overcome by ectopic expression, mesophyll chloroplasts still do not accumulate measurable Rubisco. Here we show that a combination of five ubiquitin promoter-driven nuclear transgenes expressed in maize leads to mesoph

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14

Yudina, P. K., L. A. Ivanov, D. A. Ronzhina, and L. A. Ivanova. "Functional differences in leaves and carbon-assimilating tissues between steppe and forest plants in the Altai Mountains." Проблемы ботаники Южной Сибири и Монголии 21, no. 1 (2022): 205–8. http://dx.doi.org/10.14258/pbssm.2022043.

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The quantitative traits of the leaf mesophyll were studied for 31 steppe and forest plant species belonging to 21 families in the Altai Mountains at an altitude of 1600-2150 m above sea level. Herbaceous perennials predominated among the studied species. The studied species had an isopalisade, homogeneous and dorsoventral type of leaf meso-phyll structure. Among the species of the forest zone, the dorsoventral type of leaf structure prevailed, in the steppe zone the proportion of species with dorsoventral mesophyll is lower due to the appearance of succulents and species with an isopalisade st

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15

Parintak, Reskyaningsih, Maryani Maryani, Lisna Hidayati, Nastiti Wijayanti, and Tri Rini Nuringtyas. "Evaluation of Photoprotective of Gyrinops versteegii (Gilg.) Domke Leaves Extract with Different Solvents and Its Spatial Distribution." JPSCR: Journal of Pharmaceutical Science and Clinical Research 8, no. 2 (2023): 265. http://dx.doi.org/10.20961/jpscr.v8i2.58611.

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<p><em><span lang="EN-US">Gyrinops versteegii </span></em><span lang="EN-US">(Gilg.) Domke is one of the Thymelaeaceous family species with high economic value. The leaf synthesizes secondary metabolites (SMs) supporting herbal medicine, including a class of SMs that serve as sunscreen. However, the SMs are not equally distributed in the plant, depending on the organs, tissues or cell type. This research aimed to determine the spatial distribution of secondary metabolites in the leaves, especially in the epidermis and mesophyll tissues. The epidermis tissues

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16

Fambrini, M., E. Degl'Innocenti, G. Cionini, C. Pugliesi, and L. Guidi. "mesophyll cell defective1, a mutation that disrupts leaf mesophyll differentiation in sunflower." Photosynthetica 48, no. 1 (2010): 135–42. http://dx.doi.org/10.1007/s11099-010-0018-3.

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17

van den Berg, Abby K., Thomas C. Vogelmann, and Timothy D. Perkins. "Anthocyanin influence on light absorption within juvenile and senescing sugar maple leaves - do anthocyanins function as photoprotective visible light screens?" Functional Plant Biology 36, no. 9 (2009): 793. http://dx.doi.org/10.1071/fp09030.

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Foliar anthocyanins are hypothesised to function as photoprotective visible light screens, preventing over-excitation of the photosynthetic system, and decreasing the likelihood of photo-oxidative stress by absorbing green light and reducing the amount of light available to be absorbed by chloroplasts in deeper tissue layers. Chlorophyll fluorescence imaging was used to test the hypothesis that anthocyanins in the palisade mesophyll of juvenile and senescing sugar maple (Acer saccharum Marsh.) leaves function as visible light screens by assessing their influence on light absorption profiles wi

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18

Mizuki, Inoue, Yoshiharu Sango, Kiyoshi Ishida, et al. "Effects of sex and soil water chemistry on leaf morphology and physiology of Myrica gale var. tomentosa." PLOS ONE 17, no. 9 (2022): e0275024. http://dx.doi.org/10.1371/journal.pone.0275024.

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Plants respond to environmental stressors, such as an oligotrophic environments, by altering the morphological and physiological functions of their leaves. Sex affects these functions because of the asymmetric cost of reproduction in dioecious plants. We compared the leaf mass per leaf area (LMA), ratio of intercellular air space in leaf mesophyll tissue (mesophyll porosity), palisade thickness, and carbon isotope ratio (δ13C) of leaves of the dioecious shrub Myrica gale based on sex and gradients of soil water chemistry across habitats in the field. The PCA showed that the first three princip

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19

Thiesen, Leonardo Antonio, Marcos Vinícius Marques Pinheiro, Evandro Holz, et al. "Phenotypic plasticity of Aloysia citrodora: anatomical changes to water availability and seasons." Comunicata Scientiae 13 (June 12, 2022): e3590. http://dx.doi.org/10.14295/cs.v13.3590.

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The objective was to evaluate the anatomical changes of the leaves of Aloysia citrodora submitted to different water availability during the seasons. The experiment was conducted in a greenhouse, in a randomized block design, bifactorial 4x4, with four seasonal factors (autumn, winter, spring, and summer) and simulations of water availability (25, 50, 75 and 100% of field capacity) with four repetitions. They were evaluated in μm: the thickness of the adaxial and abaxial cuticles, adaxial and abaxial epidermis, palisade and lacunous parenchyma, mesophyll and leaf thickness of the transversal s

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20

Costigan, Stephen A., Vincent R. Franceschi, and Maurice S. B. Ku. "Allantoinase activity and ureide content of mesophyll and paraveinal mesophyll of soybean leaves." Plant Science 50, no. 3 (1987): 179–87. http://dx.doi.org/10.1016/0168-9452(87)90072-0.

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21

Piwonka, Edward J., Jennifer W. MacAdam, Monty S. Kerley, and John A. Paterson. "Separation of Mesophyll from Non‐Mesophyll Cell Wall Tissue in Indiangrass Leaf Blades." Agronomy Journal 83, no. 2 (1991): 327–30. http://dx.doi.org/10.2134/agronj1991.00021962008300020013x.

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22

Drozhzhina, Veronika, and Oleg Drozhzhin. "Effects of industrial toxicants on leaf structure Populus tremula L. (Salicaceae)." АгроЭкоИнфо 2, no. 68 (2025): 12. https://doi.org/10.51419/202152212.

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The changes occurring in the microstructure of the leaf of Populus tremula L. have been studied. in the impact zone of the metallurgical plant. The epidermal reaction is manifested in an increase in the number of stomata and main cells of the epidermis on the abaxial and adaxial sides of the leaf blade, respectively, with a decrease in their linear parameters. The stomatal index value increases in the immediate vicinity of the source of contamination. The thickness of the mesophyll and the total thickness of the leaf blade in the contamination zone decrease, while the thickness of the integume

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23

Cervantes-Martinez, Teresa, Harry T. Horner, Reid G. Palmer, Theodore Hymowitz, and A. H. D. Brown. "Calcium oxalate crystal macropatterns in leaves of species from groups Glycine and Shuteria (Glycininae; Phaseoleae; Papilionoideae; Fabaceae)." Canadian Journal of Botany 83, no. 11 (2005): 1410–21. http://dx.doi.org/10.1139/b05-119.

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Calcium oxalate crystal macropatterns in leaves were characterized for 69 species (and two Glycine tomentella cytotypes) from 14 of 16 genera in two legume groups, Glycine and Shuteria, to determine whether they share a common macropattern. A leaf clearing method was used to visualize the crystals. All 69 species (and two Glycine tomentella cytotypes) displayed prismatic crystals associated with leaf veins and vein endings. In contrast, mesophyll crystals occurred in 76.8% of 69 species and two G. tomentella cytotypes, and varied from a few to many. Conversely, only 40.9% of 22 Glycine species

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Romanowska, Elzbieta, and Anna Drozak. "Comparative analysis of biochemical properties of mesophyll and bundle sheath chloroplasts from various subtypes of C4 plants grown at moderate irradiance." Acta Biochimica Polonica 53, no. 4 (2006): 709–19. http://dx.doi.org/10.18388/abp.2006_3298.

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The photochemical characteristics of mesophyll and bundle sheath chloroplasts isolated from the leaves of C4 species were investigated in Zea mays (NADP-ME type), Panicum miliaceum (NAD-ME type) and Panicum maximum (PEP-CK type) plants. The aim of this work was to gain information about selected photochemical properties of mesophyll and bundle sheath chloroplasts isolated from C4 plants grown in the same moderate light conditions. Enzymatic as well as mechanical methods were applied for the isolation of bundle sheath chloroplasts. In the case of Z. mays and P. maximum the enzymatic isolation r

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25

Al-Nema, Qutaiba, and Mozahim AL-Mallah. "Electrofusion of mesophyll protoplasts from two varieties of sugar beet, (Beta vulgaris L.)." Journal of Life and Bio Sciences Research 1, no. 1 (2020): 22–25. http://dx.doi.org/10.38094/jlbsr117.

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Somatic hybridization between different plants through protoplast fusion represent an efficient experimental approach to produce genetically transformed plant species. Electrofution of mesophyll protoplasts in sugar beet was occurred to overcome the barriers faced breeding program of this economically industrial crop Protoplasts were successfully isolated from leave's mesophyll of two varieties of sugar beet (Beta vulgaris L.). Various enzyme solutions were assessed for the cell wall degrading ability. They express different efficiency in isolation of mesophyll protoplasts of var. Baraka. The

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26

Cao, Jianbo, Chuanliang Chu, Meng Zhang, et al. "Different Cell Wall-Degradation Ability Leads to Tissue-Specificity between Xanthomonas oryzae pv. oryzae and Xanthomonas oryzae pv. oryzicola." Pathogens 9, no. 3 (2020): 187. http://dx.doi.org/10.3390/pathogens9030187.

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Xanthomonas oryzae pv. oryzae (Xoo) and Xanthomonas oryzae pv. oryzicola (Xoc) lead to the devastating rice bacterial diseases and have a very close genetic relationship. There are tissue-specificity differences between Xoo and Xoc, i.e., Xoo only proliferating in xylem vessels and Xoc spreading in intercellular space of mesophyll cell. But there is little known about the determinants of tissue-specificity between Xoo and Xoc. Here we show that Xoc can spread in the intercellular spaces of mesophyll cells to form streak lesions. But Xoo is restricted to growth in the intercellular spaces of me

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27

McKersie, Bryan D., R. L. Peterson, Stephen R. Bowley, and Shankar Das. "Ultrastructural and genetic characterization of a mutant exhibiting starch accumulation and premature leaf senescence in Medicago sativa." Canadian Journal of Botany 70, no. 11 (1992): 2245–53. http://dx.doi.org/10.1139/b92-278.

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A mutant was isolated from irradiated seed of alfalfa, Medicago sativa L. cv. Excalibur. The mutant plant, Ex-139, displayed symptoms of premature senescence in the leaf palisade mesophyll. The leaves emerged as a normal phenotype, but light microscopy revealed that they rapidly began to accumulate starch in plastids of some cells in the palisade mesophyll. This accumulation of starch was followed by general cellular autolysis leading to the formation of necrotic regions in the palisade mesophyll. The adjacent epidermal and spongy mesophyll cells were not structurally affected. The mutant othe

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28

Daningsih, Entin, Inka Febriyanti, and Asriah Nurdini Mardiyyaningsih. "The Thickness Changes of Anatomical Ornamental Monocotyledon Plant Leaves Affected by the Interactions between Plant Types and Light Intensity." Agrikultura 35, no. 2 (2024): 352–64. http://dx.doi.org/10.24198/agrikultura.v35i2.48669.

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The different levels of light intensity affect the anatomical thickness of monocotyledon ornamental plant leaves. The aim of this research was to determine the anatomical thickness of several monocotyledon ornamental plant leaves under different light intensities. The research used a factorial complete randomized design with two main factors, namely plant type and different light intensity, repeated three times. The first factor was the plant type, which consisted of six plant species of monocotyledon ornamental plants which were Chlorophytum laxum, Dracaena reflexa, Rhoeo discolor, Aglaonema

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Amaliah, Nur Rezqi, Lahming Lahming, and Andi Sukainah. "APLIKASI VINEGAR NIRA LONTAR (Borassus flabellifer) UNTUK MENGHAMBAT HISTAMIN PADA IKAN CAKALANG (Katsuwonus pelamis)." Jurnal Pendidikan Teknologi Pertanian 5, no. 1 (2019): 70. http://dx.doi.org/10.26858/jptp.v5i1.8197.

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This study aims to determine the effect of skipjack fish immersion in palm lontar vinegar solution with different storage times at the level of histamine produced. The research design used was Randomized Block Design (RBD). The parameters tested were histamine levels and total mesophyll bacteria. The concentration of vinegar solution at each storage time which had the lowest histamine and the lowest total bacteria was 10% with an average value of 17.34 mg / kg histamine and 4.3 log cfu / ml total bacteria, but a concentration of 6% could inhibit histamine formation. Total mesophyll bacteria we

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Ahl, Louise I., Olwen M. Grace, Henriette L. Pedersen, William G. T. Willats, Bodil Jørgensen, and Nina Rønsted. "Analyses of Aloe Polysaccharides Using Carbohydrate Microarray Profiling." Journal of AOAC INTERNATIONAL 101, no. 6 (2018): 1720–28. http://dx.doi.org/10.5740/jaoacint.18-0120.

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Abstract Background: As the popularity of Aloe vera extracts continues to rise, a desire to fully understand the individual polymer components of the leaf mesophyll, their relation to one another, and the effects they have on the human body are increasing. Polysaccharides present in the leaf mesophyll have been identified as the components responsible for the biological activities of A. vera, and they have been widely studied in the past decades. However, the commonly used methods do not provide the desired platform to conduct large comparative studies of polysaccharide compositions, as most o

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Oja, VM, BH Rasulov, and AH Laisk. "An Analysis of the Temperature Dependence of Photosynthesis Considering the Kinetics of RuP2 Carboxylase and the Pool of RuP2 in Intact Leaves." Functional Plant Biology 15, no. 6 (1988): 737. http://dx.doi.org/10.1071/pp9880737.

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Sunflower and cotton plants were grown in growth boxes at 460 �mol m-2 s-1. The mesophyll conductance in N2, the assimilatory charge (post-illumination CO2 uptake) and the CO2 capacity (the solubility of CO2 + HCO3- + CO32-) were measured at different temperatures. The mesophyll conductance had its maximum at 29-30°C in sunflower leaves and rapidly declined at higher and lower temperatures. In cotton, the maximum occurred at a somewhat higher temperature. The assimilatory charge changed in parallel with the mesophyll conductance. When the assimilatory charge was measured after a short exposure

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32

THOLEN, DANNY, GILBERT ÉTHIER, and BERNARD GENTY. "Mesophyll conductance with a twist." Plant, Cell & Environment 37, no. 11 (2014): 2456–58. http://dx.doi.org/10.1111/pce.12401.

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Kakutani, Tadaaki, Shigeo Shibatani, and Mitsugi Senda. "Electrorotation of barley mesophyll protoplasts." Bioelectrochemistry and Bioenergetics 31, no. 1 (1993): 85–97. http://dx.doi.org/10.1016/0302-4598(93)86108-d.

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34

Klauer, Stephen F., Vincent R. Franceschi, and Maurice S. B. Ku. "Protein Compositions of Mesophyll and Paraveinal Mesophyll of Soybean Leaves at Various Developmental Stages." Plant Physiology 97, no. 4 (1991): 1306–16. http://dx.doi.org/10.1104/pp.97.4.1306.

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35

Kārkliņa, Katrīna, Gunārs Lācis, and Baiba Lāce. "Differences in Leaf Morphological Parameters of Pear (Pyrus communis L.) Based on Their Susceptibility to European Pear Rust Caused by Gymnosporangium sabinae (Dicks.) Oerst." Plants 10, no. 5 (2021): 1024. http://dx.doi.org/10.3390/plants10051024.

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European pear rust is an important disease; however, the relationship between its causal pathogen Gymnosporangium sabinae (Dicks.) Oerst. and host Pyrus communis L. is poorly understood. In this study, disease severity was measured, and leaf samples were collected over three years, and their leaf water content; leaf area; leaf mass per area; and epidermis, mesophyll, and vascular tissue width and stomatal density were measured and compared between susceptible and resistant genotypes for each year. Most genotypes either showed consistent disease symptoms or showed no symptoms during the study i

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Kinsman, E. A., and K. A. Pyke. "Bundle sheath cells and cell-specific plastid development in Arabidopsis leaves." Development 125, no. 10 (1998): 1815–22. http://dx.doi.org/10.1242/dev.125.10.1815.

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Bundle sheath cells form a sheath around the entire vascular tissue in Arabidopsis leaves and constitute a distinct leaf cell type, as defined by their elongate morphology, their position adjacent to the vein and by differences in their chloroplast development compared to mesophyll cells. They constitute about 15% of chloroplast-containing cells in the leaf. In order to identify genes which play a role in the differential development of bundle sheath and mesophyll cell chloroplasts, a screen of reticulate leaf mutants of Arabidopsis was used to identify a new class of mutants termed dov (diffe

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37

Broschat, Timothy K., Henry Donselman, and Dennis B. McConnell. "Light Acclimatization in Ptychosperma elegans." HortScience 24, no. 2 (1989): 267–68. http://dx.doi.org/10.21273/hortsci.24.2.267.

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Abstract Sun-grown (2100 μmol·s-1·m-2) Ptychosperma elegans palms were acclimatized for 0, 1, 2, 3, 4, 6, 8, or 12 months under shade (570 μmol·s-1·m-2). Plant height was greater in palms grown under shade for 6 months or longer and plant color gradually improved when palms were grown under shade for 2 months or longer. Leaves produced under shade had an undifferentiated mesophyll comprised of isodiametric and rectangular cells. Full sun leaves had a mesophyll with distinct palisade cells and abaxial mesophyll cells comprised of rectangular and isodiametric cells. The mesophyll in both light l

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38

Struck, C., R. Rohringer, and R. Heitefuss. "Isolation and lectin-binding properties of barley epidermal and mesophyll protoplasts." Canadian Journal of Botany 72, no. 11 (1994): 1688–91. http://dx.doi.org/10.1139/b94-207.

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Protoplasts from primary leaves of barley (Hordeum vulgare L.) were obtained by enzymatic digestion and fractionated by discontinuous density gradient centrifugation to yield highly enriched fractions of mesophyll and epidermal protoplasts. A characterization of both protoplast types resulted in a clear differentiation of the outer protoplast surfaces. The protoplasts were examined for affinity to various lectins by agglutination tests and by labeling with lectin – fluorescein isothiocyanate conjugates. Both types of protoplasts agglutinated with soybean lectin. Fluorescein isothiocyanate-labe

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Lim, Hyoun-Sub, Anna Maria Vaira, Hanhong Bae, et al. "Mutation of a chloroplast-targeting signal in Alternanthera mosaic virus TGB3 impairs cell-to-cell movement and eliminates long-distance virus movement." Journal of General Virology 91, no. 8 (2010): 2102–15. http://dx.doi.org/10.1099/vir.0.019448-0.

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Cell-to-cell movement of potexviruses requires coordinated action of the coat protein and triple gene block (TGB) proteins. The structural properties of Alternanthera mosaic virus (AltMV) TGB3 were examined by methods differentiating between signal peptides and transmembrane domains, and its subcellular localization was studied by Agrobacterium-mediated transient expression and confocal microscopy. Unlike potato virus X (PVX) TGB3, AltMV TGB3 was not associated with the endoplasmic reticulum, and accumulated preferentially in mesophyll cells. Deletion and site-specific mutagenesis revealed an

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40

Delfine, Sebastiano, Arturo Alvino, Massimo Zacchini, and Francesco Loreto. "Consequences of salt stress on conductance to CO2 diffusion, Rubisco characteristics and anatomy of spinach leaves." Functional Plant Biology 25, no. 3 (1998): 395. http://dx.doi.org/10.1071/pp97161.

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Spinach (Spinacia oleracea L.) leaves stressed by irrigation with water containing 1% (w/v) NaCl for 20 days had low conductance to CO2 diffusion both at the stomata and in the mesophyll. Mesophyll anatomy changed in salt-stressed leaves, which could have accounted for the decreased mesophyll conductance. Ribulose- 1,5-bisphosphate carboxylase/oxygenase in vitro activity and content were not affected by up to 20 days exposure to salinity but decreased when leaves were exposed to salt stress for longer than 20 days. Salt accumulation also caused a drop of Ca and Mg which might have decreased me

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41

N.Kh., Aliyeva, Gasimova K.H., and Suleymanov S.Y. "Polypeptide Pattern of Mesophyll and Bundle Sheath Thylakoids of Maize Chloroplasts." Journal of Life Sciences and Biomedicine 73, no. 2 (2018): 53–57. https://doi.org/10.5281/zenodo.7401435.

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The energy converting apparatus of the photosynthesizing oxygenic species organized in several different multisubunit protein complexes is associated with thylakoid membranes. A characteristic feature of C4 plants is the differentiation of the photosynthetic leaf tissues into two distinct cell types, mesophyll (M) and bundle sheath (BS) cells. In this study, polypeptide patterns of mesophyll and bundle sheath thylakoids of maize (Zea mays L.) have been analyzed. The amount of the PSI core apoprotein (68 kDa) was found to be higher in bundle sheath compared with mesophyll thylakoids. α an

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42

Sajo, Maria das Graças, and Silvia Rodrigues Machado. "Submicroscopical Features of Leaves of Xyris Species." Brazilian Archives of Biology and Technology 44, no. 4 (2001): 405–10. http://dx.doi.org/10.1590/s1516-89132001000400011.

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The leaf ultrastructure of five Xyris species were examined using scanning electron microscope (SEM), transmission electron microscope (TEM) and histochemical methods. All studied leaves show some features in epidermis and mesophyll, which were of considerable adaptative significance to drought stress. Such features included the occurrence of a pectic layer on the stomatal guard cells and the presence of a network of pectic compounds in the cuticle. Pectic compunds were also in abundance in lamellated walls of the mesophyll cells and on the inner surface of the sclerified cell walls of the vas

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43

Tsujii, Yuki, Masakazu Oikawa, and Kanehiro Kitayama. "Significance of the localization of phosphorus among tissues on a cross-section of leaf lamina of Bornean tree species for phosphorus-use efficiency." Journal of Tropical Ecology 33, no. 3 (2017): 237–40. http://dx.doi.org/10.1017/s0266467417000141.

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Abstract:A greater relative allocation of phosphorus (P) to photosynthetically active cells functions to maintain a rapid photosynthesis under P limitation, and may be a key mechanism of plants to use P efficiently. This mechanism has not been studied in tropical trees despite the productivity of tropical forests often being limited by P. In this study, the spatial distribution of P among tissues on a cross-section of leaf lamina was analysed for 13 tree species from P-limited sites on Mount Kinabalu, Borneo. Most species showed greater P concentration in palisade mesophyll than in spongy meso

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Mudalige, Rasika G., Adelheid R. Kuehnle, and Teresita D. Amore. "Pigment Distribution and Epidermal Cell Shape in Dendrobium Species and Hybrids." HortScience 38, no. 4 (2003): 573–77. http://dx.doi.org/10.21273/hortsci.38.4.573.

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Perianths of 34 Dendrobium Sw. species and hybrids were examined to elucidate the roles of pigment distribution and shape of upper epidermal cells in determining color intensity, perception, and visual texture. Color intensity was determined by the spatial localization of anthocyanin in tissue layers, i.e., in the epidermal, subepidermal, and mesophyll layers, as well as by distribution of pigmented cells within the tissue layer. Anthocyanins were confined to the epidermal layer or subepidermal layer in flowers with low color intensity, whereas they were also in several layers of mesophyll in

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Liu, Youqi, and Nancy G. Dengler. "Bundle sheath and mesophyll cell differentiation in the C4 dicotyledon Atriplex rosea: quantitative ultrastructure." Canadian Journal of Botany 72, no. 5 (1994): 644–57. http://dx.doi.org/10.1139/b94-085.

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In leaves of most C4 species, both bundle sheath and mesophyll cells are derived from ground meristem, yet at maturity differ in photosynthetic enzyme complement and in cell size, shape, and subcellular ultrastructure. This quantitative ultrastructural study of bundle sheath and mesophyll cell differentiation in Atriplex rosea shows that while developmental pathways of bundle sheath and meosphyll cells are generally coordinated, the timing of developmental divergence differs among individual characteristics. For instance, bundle sheath cells are larger, with more chloroplasts and more and larg

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46

Ecevit Genç, Gülay, Betül Büyükkılıç Altınbaşak, Taner Özcan, and Tuncay Dirmenci. "Comparative anatomical studies of some Teucrium sect. Teucrium species: Teucrium alyssifolium Stapf, Teucrium brevifolium Schreb. and Teucrium pestalozzae Boiss. (Lamiaceae)." PhytoKeys 96 (April 3, 2018): 63–77. http://dx.doi.org/10.3897/phytokeys.96.24498.

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Teucriumalyssifolium Stapf (endemic), Teucriumpestalozzae Boiss. (endemic) and Teucriumbrevifolium Schreb. are three closely related taxa in Teucriumsect.Teucrium. The obtained data from the anatomical studies revealed that these three taxa represent the general anatomical characteristics of the Lamiaceae family. Leaves, anatomical features such as thick cuticle, abundant trichomes, rich palisade parenchyma layer in the mesophyll provide evidence that these three species are xeromorphic structures. Leaf and stem anatomy showed that the taxa have generally similar anatomical features. However,

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47

McHale, N. A., and M. Marcotrigiano. "LAM1 is required for dorsoventrality and lateral growth of the leaf blade in Nicotiana." Development 125, no. 21 (1998): 4235–43. http://dx.doi.org/10.1242/dev.125.21.4235.

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The role of LAM1 in dorsoventrality and lateral growth of the leaf blade was investigated in the ‘bladeless’ lam1 mutant of Nicotiana sylvestris and in periclinal chimeras with lam1 and wild-type (N. glauca) cell layers. Mutant lam1 primordia show normal dorsoventrality at emergence, but produce blade tissue that lacks dorsal cell types and fails to expand in the lateral plane. In leaves of a lam1-glauca-glauca (L1-L2-L3) chimera, we observed restoration of dorsal identity in the lam1 upper epidermis, suggesting non-cell-autonomous movement of a dorsalizing factor between cell layers of the bl

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48

Migalina, S. V., L. A. Ivanov, and L. A. Ivanova. "Changes in sizes of mesophyll cells underlies the adaptation of Betula platyphylla Sukacz. leaf to increased climate aridity." Проблемы ботаники Южной Сибири и Монголии 21, no. 1 (2022): 113–16. http://dx.doi.org/10.14258/pbssm.2022024.

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Climate changes in Central Asia attract increasing attention to studies in successions, ecosystem transformations and plant adaptation. Functional mechanisms of plant adaptation are related to the changes in leaf structure, first of all, the architecture of carbon-assimilating tissues. We studied leaf mesophyll structure of Betula platyphylla Sukacz. from geographical regions in the southern part of East Siberia and Mongolia with different climate aridity. Birch populations represented a latitudinal range from the middle taiga to the forest-steppe. According our results changes in mesophyll st

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Wijaya, I. Made Saka, Luh Putu Eswaryanti Kusuma Yuni, Ni Kadek Rika Pramesti, I. Wayan Bagus Kusuma Suarsana, and Adi Ariyanto Wibisono. "Anatomical Characteristics and Taxonomic Significance of Rhizophoraceae Mangrove Leaves." Indonesian Journal of Science and Technology 9, no. 3 (2024): 721–46. https://doi.org/10.17509/ijost.v9i3.74585.

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Rhizophoraceae is a mangrove family that spread from landward to seaward zones and dominated Benoa Bay in Bali, Indonesia. Mangroves are already studied in many approaches but insufficient in anatomical approach. This research aims to determine the anatomical characteristics of Rhizophoraceae mangrove leaves in Benoa Bay, as well as determine the taxonomic significance. The research was conducted at four locations in Benoa Bay with four mangrove species: Bruguiera gymnorhiza, Ceriops tagal, Rhizophora apiculata, and Rhizophora mucronata. Leaf anatomical data was collected by using a modified f

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50

Zakariyya, Fakhrusy, Didik Indradewa, and Teguh Iman Santoso. "Changes of leaf anatomical profile of cocoa clones seedlings in response to drought." Pelita Perkebunan (a Coffee and Cocoa Research Journal) 35, no. 3 (2019): 177–85. http://dx.doi.org/10.22302/iccri.jur.pelitaperkebunan.v35i3.390.

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Cocoa is a plant that is very sensitive to drought during its growth and development phase, which causes changes up to the anatomical and morphologicallevel. This research is aimed to examine the changes on several leaf anatomical characteristics of three cocoa clones under the drought stress. This research was conducted in a greenhouse of Indonesian Coffee and Cocoa Research Institute, Jember, East Java, Indonesia in January – December 2017. The research was designedusing randomized complete block design with two factors including clones and watering time interval, with three replications. Th

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