Results 191 to 200 of about 495 (215)
Sucrose supply from leaves is required for aerenchymatous phellem formation in hypocotyl of soybean under waterlogged conditions [PDF]
Annals of Botany, 2018 Soil waterlogging often causes oxygen deficiency in the root systems of plants and severely inhibits plant growth. Formation of aerenchyma - interconnected spaces that facilitate the movement of gases between and within the aerial and submerged parts of plants - is an adaptive trait for coping with waterlogged conditions.
Hirokazu Takahashi +2 more
exaly +3 more sources
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Bark anatomy of Polylepis (Rosaceae): a loose stratified phellem instead of the lenticels?
Botanica Pacifica, 2023 Bark structure of Polylepis incana (Sanguisorbeae, Rosaceae) is described and compared with that in related genera Cliffortia and Leucosidea. Tribe Sanguisorbeae shows an extraordinary diversity of bark abscission patterns. The outermost bark portions are peeling off along the non-conducting secondary phloem (Leucosidea, Cliffortia ruscifolia), or ...
Alexei A. Oskolski +3 more
exaly +2 more sources
The Aerenchymatous Phellem of Lythrum salicaria (L.): a Pathway for Gas Transport and its Role in Flood Tolerance [PDF]
Annals of Botany, 2002 While the importance of cortical aerenchyma in flood tolerance is well established, this pathway for gaseous exchange is often destroyed during secondary growth. For woody species, therefore, an additional pathway must develop for oxygen to reach submerged tissues.
Kevin J, Stevens +2 more
exaly +3 more sources
Structure and formation of phellem of Betula maximowicziana
IAWA Journal, 2018Betula species have phellems with distinctive features such as stratification into thin paper-like layers, which are easily split in the tangential direction, and linear lenticels. We aimed to clarify the structure and development of the characteristic phellems of B. maximowicziana.
Hiromi Shibui, Yuzou Sano
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Silencing against the conserved NAC domain of the potato StNAC103 reveals new NAC candidates to repress the suberin associated waxes in phellem [PDF]
Plant Science, 2020 Both suberin and its associated waxes contribute to the formation of apoplastic barriers that protect plants from the environment. Some transcription factors have emerged as regulators of the suberization process. The potato StNAC103 gene was reported as a repressor of suberin polyester and suberin-associated waxes deposition because its RNAi-mediated ...
Góngora-Castillo Elsa +2 more
exaly +6 more sources
Uncovering miRNA-Mediated Regulation in Phellem Versus Xylem Differentiation in Quercus suber L.
Journal of Plant Growth RegulationAbstract Several regulators of phellem/cork formation have been identified in recent years, using mainly transcriptomic approaches. However, this developmental process, showing parallels to the functioning of vascular cambium, remains poorly understood.
Inés Chaves +2 more
exaly +3 more sources
Role of MYB transcription factors during phellem differentiation
2023The periderm is a crucial protective barrier that plays a vital role in secondary growth. It is a multi-layered tissue composed anatomically of three layers: the phellem or cork, the phellogen or cork cambium, and the phelloderm. The phellogen, a meristematic layer, undergoes bifacial divisions, generating the phellem outward and the phelloderm inward.
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1993
In cell walls of phellem of potato tubers (Solanum tuberosum cv Bintje) a yellow autofluorescence was observed when viewed with blue light (470–490 nm). A similar autofluorescence was also observed in tuber tracheary elements, suggesting that the fluorescence is caused by lignin or lignin-like material.
Theo Hendriks
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In cell walls of phellem of potato tubers (Solanum tuberosum cv Bintje) a yellow autofluorescence was observed when viewed with blue light (470–490 nm). A similar autofluorescence was also observed in tuber tracheary elements, suggesting that the fluorescence is caused by lignin or lignin-like material.
Theo Hendriks
exaly +3 more sources
Anatomy and Development of the Endodermis and Phellem ofQuercus suberL. Roots
Microscopy and Microanalysis, 2013AbstractQuercus suberL. has been investigated with special attention to the stem bark and its cork formation layer, but excluding the roots. Roots are the location of infection by pathogens such asPhytophthora cinnamomiresponsible for the tree's sudden death.
Adelaide, Machado +2 more
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