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2 lut 2023 · During the development of certain cell types, leucoplasts cluster around the nucleus with stromules extending to the cell periphery. Based on the substance stored, leucoplasts are of three types: Amyloplasts convert glucose to starch and store it in tubers, seeds, stems, and fruit. They also synthesize transitory starch for photosynthetic parts.
They can be differentiated into “leucoplasts” in white, “chloroplasts” in green, and “chromoplasts” in either yellow, orange or red. Intermediate forms of chloroplasts are called “etioplasts” and senescent forms of chloroplasts are called “gerontoplasts”.
Leucoplasts are colorless plastids characteristic of mature root cells, which accumulate trace levels of neoxanthin and violaxanthin (Parry and Horgan, 1992). From: Molecular Plant, 2015
At a given stage of cell development (in certain cells, e.g. cells of the root meristem), leucoplasts can be seen clustering around the nucleus. In such cases, the stromules often extend into the cell periphery and may be involved in the biosynthetic process.
In some cell types at certain stages of development, leucoplasts are clustered around the nucleus with stromules extending to the cell periphery, as observed for proplastids in the root meristem.
7 kwi 2024 · Leucoplasts Leucoplasts are non-pigmented plastids located in non-photosynthetic parts of the plant, like roots. They primarily serve as storage sites for starches, lipids, and proteins. Leucoplasts can differentiate into specific types based on the stored substance: amyloplasts for starch, elaioplasts for fat, and proteinoplasts for proteins.
16 cze 2021 · Etioplasts can develop from proplastids in dark conditions and this identified by the number “2”. The number “3” indicates leucoplast development that is triggered by diverse development processes to generate starch, lipid, and protein enriched sub-types called amyloplasts, elaioplasts, and proteinoplasts, respectively.
