Salivary Gland


Salivary Gland

Artistic interpretation of the Drosophila salivary gland. During the Drosophila life cycle, when larvae are close to pupariation, salivary glands synthesize a series of mucins called Glue proteins. These proteins are packed into vesicles, known as Glue granules, and then are released to the salivary gland lumen through exocytosis, which –like autophagy– is part of the secretory pathway. From the lumen, mucins are secreted, helping the larvae to adhere to the substrate as part of the pupariation process. In this painting, a single salivary gland is shown in which mucins (depicted in green) are being released from epithelial cells to the salivary gland lumen, by the fusion of these vesicles with the plasma membrane (shown in red).

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Ayelen, Valko




Watercolors and Indian ink on paper