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Impact of Lead on Water Soluble Metabolites in Some Cultivars of Triticum aestivum L. Grown under Osmotic Water Potential
Kotb Amer Farghali,
Afnan Samy A. Quronfulah
Issue:
Volume 1, Issue 2, September 2016
Pages:
20-27
Received:
24 May 2016
Accepted:
3 June 2016
Published:
20 June 2016
DOI:
10.11648/j.ijee.20160102.11
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Abstract: The changes of main metabolites in three cultivars of Triticumaestivum L. under the effects of lead and osmotic stresses were investigated. The results indicated that, the amount of soluble sugars in different plant organs were increased under low Ψs and in the presence of Pb element. Also, the decreased Ψs and Pb concentration led to an increase in the free amino acids of roots. The content of soluble proteins was variable among the cultivars. Apparently, the soluble proteins were increased in response to low Ψs and Pb, except in roots of cv.Giza168which were increased under high Pb concentrations. Statically, the Ψs had the predominant role on the soluble sugars, free amino acids and total soluble proteins in all investigated plants. The significant correlations among the main metabolites were positive under the effect of lead, Ψs and their interaction with few exceptions.
Abstract: The changes of main metabolites in three cultivars of Triticumaestivum L. under the effects of lead and osmotic stresses were investigated. The results indicated that, the amount of soluble sugars in different plant organs were increased under low Ψs and in the presence of Pb element. Also, the decreased Ψs and Pb concentration led to an in...
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Seasonal Changes in Soluble Proteins of Some Native Desert Species
EL-Sharkawi Hassanin Mohamed,
Farghali Kotb Amer,
Rayan Ahmed Mohmed,
Tammam Susan Ahmed
Issue:
Volume 1, Issue 2, September 2016
Pages:
28-38
Received:
13 June 2016
Accepted:
16 June 2016
Published:
5 July 2016
DOI:
10.11648/j.ijee.20160102.12
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Abstract: This research was carried out on eight wild species inhabiting two oases in the Western Egyptian Desert. Plants in both regions were categorized into: a- Halophytes, namely: Salsola imbricata, Cressa cretica, and Suaeda monoica, b- Xerophytes include: Alhagi graecorum, Hyoscyamus muticus, Prosopis farcta, and Gossypium arboretum and c- Succulent Zygophyllum coccineum. The plant samples were collected at different sites during winter and summer seasons. Laboratory analyses on plants included total and specific soluble proteins. The resultsobtained indicated that: locations or its interaction with seasonality dominantly affect soluble proteins. Gel electrophoresis showed that the low molecular weight proteins had the high percentage. Halophytic species especially C. cretica, and S. imbricate had a relatively high molecular weight protein in summer while xerophytic species such as P. farcta and a succulent Z. coccineum had a relatively high molecular weight protein during winter.
Abstract: This research was carried out on eight wild species inhabiting two oases in the Western Egyptian Desert. Plants in both regions were categorized into: a- Halophytes, namely: Salsola imbricata, Cressa cretica, and Suaeda monoica, b- Xerophytes include: Alhagi graecorum, Hyoscyamus muticus, Prosopis farcta, and Gossypium arboretum and c- Succulent Zy...
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The Possible Protective Role of Both, Rosiglitazone and Repaglinide on Liver and Kidney of Diabetic Guinea Pig (Caviaporcellus)
Ali Abd Alsalaam,
Fathy M. Elshaer,
Hamdi Abdou Mansour
Issue:
Volume 1, Issue 2, September 2016
Pages:
39-48
Received:
4 June 2016
Accepted:
20 June 2016
Published:
28 July 2016
DOI:
10.11648/j.ijee.20160102.13
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Abstract: Diabetes mellitus is one of the most costly and burdensome chronic disease of our time. Diabetes mellitus is a metabolic disorder characterized by hyperglycemia due to resistance to the action of insulin, insufficient insulin secretion, or both. Diabetes mellitus causes nephropathy and fatty change in the liver and vascular changes. Rosiglitazone and repaglinide are new anti-diabetic agents. Rosiglitazone is a thiazolidinedione's agent acting as insulin-sensitizer. Repaglinide a non-sulphonyl urea insulin secretagogue, is a prandial glucose regulator. The present study is aimed to assess the potential protective role of Rosiglitazone and Repaglinide on Liver and Kidney tissues of diabetic guinea pig (Caviaporcellus). The used Guinea pigs were divided into five groups. Diabetes mellitus is induced in 4 groups of them by oral administration of fructose 50% concentration. One of the diabetic groups was served as diabetic non treated and the other 3 groups were treated by Rosiglitazone, Repaglinide and a combination of both drugs, respectively. Blood samples were collected for the biochemical studies. The animals were sacrificed and the liver and kidney were excised to be used for the histopathological studies. The present study showed that, the combination of rosiglitazone & repaglinide may have a synergistic protective effect against diabetes mellitus - induced renal and liver tissues damage. This study proved that the combination of rosiglitazone &repaglinide in treatment of diabetes mellitus is better than rosiglitazone or repaglinidealone in protection of the Liver and Kidney tissues of diabetic Guinea pigs, Caviaporcellus.
Abstract: Diabetes mellitus is one of the most costly and burdensome chronic disease of our time. Diabetes mellitus is a metabolic disorder characterized by hyperglycemia due to resistance to the action of insulin, insufficient insulin secretion, or both. Diabetes mellitus causes nephropathy and fatty change in the liver and vascular changes. Rosiglitazone a...
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Effects of Nitrates and Some Ecological Factors on Soil Macroinvertebrate Communities Inhabiting El-Minia Governorate, Egypt
Ahmad Hamed Obuid-Allah,
Nasser Abd El-lateif El-Shimy,
Zeinab Abd El-khalek El-Bakary,
Mostafa Helmy Al-Sayed,
Al-Shimaa Mohammed Adel
Issue:
Volume 1, Issue 2, September 2016
Pages:
49-59
Received:
25 June 2016
Accepted:
4 July 2016
Published:
4 August 2016
DOI:
10.11648/j.ijee.20160102.14
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Abstract: Soil invertebrates play a significant role in improving soil structures. Man uses nitrogenous fertilizers to improve growth of cultivated lands and provide plants with nutrients. The intensive addition of fertilizers accumulates soil nitrate which affects soil fauna. This investigation was designed to study the effects of nitrate concentration in the soil and some ecological factors on the soil macroinvertebrates inhabiting different agricultural lands at El-Minia governorate. Six sites were chosen for this study. Samples of soil and invertebrates were collected monthly during a period of one year extended from December 2013 till November 2014 using pitfall traps. The study revealed the occurrence of twenty six taxa in the investigated sites. The density of each taxon obviously varied in each site according to the season. The majority of collected macroinvertebrates assigned to phylum Arthropoda. The most dominant species at all sites belonged to order Isopoda then Orthoptera. Higher density of macroinvertebrates was recorded during spring and summer compared to their relevant numbers during winter and autumn. All collected macroinvertebrates exhibited negative correlation with nitrate concentration of soil in their habitat, especially isopods that showed strong significant correlation.
Abstract: Soil invertebrates play a significant role in improving soil structures. Man uses nitrogenous fertilizers to improve growth of cultivated lands and provide plants with nutrients. The intensive addition of fertilizers accumulates soil nitrate which affects soil fauna. This investigation was designed to study the effects of nitrate concentration in t...
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Analysis of Population Genetics of the Endangered Nile Pufferfish Tetraodon lineatus (Linnaeus, 1758) in the Upper Egyptian River Nile
Khaled Mohammed-Geba,
Aldoushy A. Mahdy,
Ahmed S. A. Eissa,
Alaa G. M. Osman
Issue:
Volume 1, Issue 2, September 2016
Pages:
60-66
Received:
24 May 2016
Accepted:
12 July 2016
Published:
26 August 2016
DOI:
10.11648/j.ijee.20160102.15
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Abstract: Genetic population analyses for Nile fishes are very scarce. Nile pufferfish Tetraodon lineatus (Linnaeus, 1758), is a widely-distributed freshwater fish, with no known major widespread threats. It has been classed as 'Endangered'. Little is known concerning its biology and genetics in Egypt. Hence, this work was designed to study the genetic diversity and conservation status of T. lineatus for the first time in Egypt and Africa. DNA barcoding was carried out through PCR-amplification and sequencing of the cytochrome c oxidase gene barcode 5´ region of forty-five samples obtained from three different localities in Upper Egypt. Only three haplotypes could be characterized in all samples. The other population analyses showed clear population loss of extension and potential bottleneck, what may explain the severe drop of species records in the Northern areas of the Nile. Phylogenetic analysis exhibited the monophyletic origin T. lineatus and other African freshwater pufferfishes, more probably as descendants from an Indo-West Pacific ancestor. We highly recommend the fulfilling of more studies concerning the biology, ecology, and genetics of the species as major steps towards its proper conservation and understanding of its adaptation to different natural and man-made constraints in the River Nile system.
Abstract: Genetic population analyses for Nile fishes are very scarce. Nile pufferfish Tetraodon lineatus (Linnaeus, 1758), is a widely-distributed freshwater fish, with no known major widespread threats. It has been classed as 'Endangered'. Little is known concerning its biology and genetics in Egypt. Hence, this work was designed to study the genetic diver...
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