Principal lipid classes and fatty acids synthesized during growth and development of the beetle Lyctus planicollis

Mauldin, Joe K.; Lambremont, Edward N.; Graves, J. B.

doi:10.1016/0020-1790(71)90049-7

Cited by 18 publications

(8 citation statements)

References 18 publications

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“…This is the case for the mosquito Culex torsalis where larvae appear to be far lower than adults in C18:1 (Takata & Harwood 1964). The FA profiles of 20-day-old larvae of the beetle Lyctus planicollis are very different from those of 60-dayold larvae in terms of C18:1 (Maulding et al 1971). PL FA profiles differ among eggs, larvae, pupae, and adults of the pine beetle Dendroctonus frontalis (Hodges & Barras 1974).…”

Section: Discussionmentioning

confidence: 87%

“…FA profiles have been documented and compiled for a large number of insects, but the changes in FA composition during development have been studied in only a few species -Periplaneta americana (Kinsella 1966), Heliothis zea (Lambremont 1971), Lyctus planicollis (Maulding et al 1971), Dacus oleae (Madariaga et al 1974), Dendroctonus frontalis (Hodges & Barras 1974), Galleria mellonella (Janda 1975), Culex pipiens quinquefasciatus (Albrecht et al 1977), Ceratitis capitata (Pagani et al 1980), Acheta domesticus , Manduca sexta (Ogg & StanleySamuelson 1992), Eurygaster integriceps (Bashan et al 2002) and Melanogryllus desertus (Bozkus 2003) -most of which show some developmental differences. Parasad et al (1986) suggested that the significant changes in lipid composition and in the physical properties of lipophorin occur during metamorphosis from larvae to pupa in M. sexta.…”

Section: Introductionmentioning

confidence: 99%

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Total lipid and fatty acid compositions of Lertha sheppardi (Neuroptera: Nemopteridae) during its main life stages

2007

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Total lipid and the fatty acid compositions of phospholipid and triacylglycerol fractions, prepared from eggs, 3 rd instars of larvae, pupae, male and female adults of Lertha sheppardi, were analyzed by gas chromatography and gas chromatography-mass spectrometry. The effect of diet (adults' nutrition) on fatty acid composition of L. sheppardi adults was also investigated. Total lipid of L. sheppardi considerably increased in adults compared with immature stages. There was a significant decrease in total lipid level in larval stage in contrast with egg stage. Qualitative analysis revealed the presence of 14 fatty acids during all stages. The major components were C16 and C18 saturated and unsaturated components which are ubiquitous to most animal species. In addition to these components, one odd-chain (C17:0) and prostaglandin precursor fatty acids were found. The fatty acid profiles of phospholipids and triacylglycerols were substantially different. In phospholipid fraction, monounsaturated fatty acids were the major proportion of fatty acids in both sex of adults and pupae, whereas polyunsaturated fatty acids were the most dominant fatty acids in eggs and 3 rd instars. Results of triacylglycerol fraction revealed that fatty acid composition of eggs had higher level of C16:1, C18:0 and C18:3n-3 content than that of 3 rd instars and pupae, which suggests accumulation of energetic and structural reserve materials during embryonic development. At more advanced developmental stages, mainly in adult females, the amount of C16:1 increased once again, which may be related to the need for accumulation of sufficient energy and of carbon reservoir in the developing new vitellum. Percentages of C18:1 were significantly high in adult stages compared to other stages. These findings indicate that the accumulation and consumption of fatty acids fluctuate through different development stages. Diet did not effect the fatty acid composition of L. sheppardi adults.

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Section: Discussionmentioning

confidence: 87%

Section: Introductionmentioning

confidence: 99%

Total lipid and fatty acid compositions of Lertha sheppardi (Neuroptera: Nemopteridae) during its main life stages

2007

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“…However, it was reported that malformations were occasionally found in the abdominal segmentation of beetles that emerged from diets without sawdust [16]. These malformations were likely generated by the absence of some necessary compounds in cellulose-based diets [16], such as linoleic acid and sterols [27], steroid and minerals that are present in wood [28]. It was also reported that the cellulose-based diet (Diet 2) resulted in a higher number of malformed individuals than the wood-based (Diet 1) diet in L. brunneus [16] .…”

Section: Discussion Ad Conclusionmentioning

confidence: 99%

Evaluation of Wood and Cellulosic Materials as Fillers in Artificial Diets for Lyctus africanus Lesne (Coleoptera: Bostrichidae)

Kartika

Yoshimura

2015

Insects

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We studied the usefulness of wood- and cellulose-based diets for L. africanus Lesne. Three diets were prepared which differed on the base ingredients; wood particles (Diet 1), cellulose powder (Diet 2), and alpha-cellulose (Diet 3). The diets were provided to adult L. africanus and the number of larvae, as well as the number of adults that emerged sex ratio, and body weight of the progeny was determined. Findings indicated similar results for the number of larvae, sex ratio and body weight of the emerged L. africanus fed on each diet. However, the number of adult produced by L. africanus on Diet 3 was significantly lower. The results indicate that the amount of vital nutrients is not the only important factor in selecting a suitable diet for L. africanus because the filler used in artificial diets influences the beetles overall population growth. For the population upon which the diets were tested, Diet 1 and Diet 2 could be utilized to rear beetles in the laboratory.

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“…Fatty acid biosynthesis during development has been studied in only a few insect species, including Hyulophoru cecropia [l], Lyctus plunicollis [2], Cerufitis cupitutu [3,4], and Trichoplusia ni [5]. Most of these studies examined differences in fatty acid biosynthesis between developmental stages, and the results varied, depending on the stage studied and the age of the insects within that stage.…”

Section: Introductionmentioning

confidence: 99%

Developmental changes in fatty acid biosynthesis and composition in the house cricket, Acheta domesticus

Crippsc

Renobales

1988

Arch Insect Biochem Physiol

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Incorporation of [1-I4C] acetate into various phospholipid and triacylglycerol fatty acids showed cyclic fluctuations in fatty acid biosynthesis that were similar for all of the major fatty acids in both male and female house crickets, Acheta dornesticus, during development. All three stadia showed low levels of biosynthesis near ecdysis followed by increased synthesis to a peak at midstadium. In the phospholipid fraction, the incorporation of newly synthesized saturated fatty acids, 16:O and 18:0, predominated near ecdysis, while at midstadium linoleic acid was the most actively synthesized fatty acid. In the triacylglycerol fraction, 18:O and 18:l predominated throughout the entire stadium.In contrast to the large fluctuations in fatty acid biosynthesis, the fatty acid compositions of the phospholipid and triacylglycerol fractions did not change within a stadium. However, significant differences were demonstrated between the stages and were associated primarily with differences between nymphal and adult stadia.

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Principal lipid classes and fatty acids synthesized during growth and development of the beetle Lyctus planicollis

Cited by 18 publications

References 18 publications

Total lipid and fatty acid compositions of Lertha sheppardi (Neuroptera: Nemopteridae) during its main life stages

Total lipid and fatty acid compositions of Lertha sheppardi (Neuroptera: Nemopteridae) during its main life stages

Evaluation of Wood and Cellulosic Materials as Fillers in Artificial Diets for Lyctus africanus Lesne (Coleoptera: Bostrichidae)

Developmental changes in fatty acid biosynthesis and composition in the house cricket, Acheta domesticus

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