Coconut oil and fermented palm wine biodiesel production for oil spill cleanup: experimental, numerical, and hybrid metaheuristic modeling approaches

Brantson, Eric Thompson; Osei, Harrison; Aidoo, Mark Shalom Kwesi; Appau, Prince Opoku; Issaka, Fuseini Naziru; Liu, Nannan; Ejeh, Chukwugozie Jekwu; Kouamelan, Kouamelan Serge

doi:10.1007/s11356-022-19426-1

Cited by 4 publications

(1 citation statement)

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“…Every part of the coconut palm carries value, including its nutritious water [3], mesocap as fiber, trunk as building materials, endocarp as charcoal [4], and endosperm for oil [5]. Coconuts are also used in medicine [6], manufacturing [7], and biofuel production [8]. Cultivated in 93 countries [9], coconut palms can be found along coastlines in tropical regions such as Central and South America, East and West Africa, Southeast Asia, and the Pacific Islands, spanning a total cultivation area exceeding 12 million hectares [10].…”

Section: Introductionmentioning

confidence: 99%

Comparative Transcriptome Analysis Provides Insights into the Effect of Epicuticular Wax Accumulation on Salt Stress in Coconuts

Sun,

Kaleri,

et al. 2024

Plants

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The coconut is an important tropical economical crop and exhibits high tolerance to various types of salinity stress. However, little is known about the molecular mechanism underlying its salt tolerance. In this study, RNA-Seq was applied to examine the different genes expressed in four coconut varieties when exposed to a salt environment, resulting in the generation of data for 48 transcriptomes. Comparative transcriptome analysis showed that some genes involved in cutin and wax biosynthesis were significantly upregulated in salt treatment compared to the control, including CYP86A4, HTH, CER1, CER2, CER3, DCR, GPAT4, LTP3, LTP4, and LTP5. In particular, the expression of CER2 was induced more than sixfold, with an RPKM value of up to 205 ten days after salt treatment in Hainan Tall coconut, demonstrating superior capacity in salt tolerance compared to dwarf coconut varieties. However, for yellow dwarf and red dwarf coconut varieties, the expression level of the CER2 gene was low at four different time points after exposure to salt treatment, suggesting that this gene may contribute to the divergence in salt tolerance between tall and dwarf coconut varieties. Cytological evidence showed a higher abundance of cuticle accumulation in tall coconut and severe damage to cuticular wax in dwarf coconut.

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