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| ARPN Journal of Agricultural and Biological
Science
June 2017 | Vol. 12 No. 6 |
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Title: |
Characterization and
controlling the specification of definitive hematopoiesis
during the development of zebrafish |
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Author (s): |
Nibras Najm Abbood and Amir
Abdullah Jabir |
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Abstract: |
Modern studies propose that,
in the primary mesoderm, there is collaboration between the
hematopoietic and cardiac lineages. Though, whether miRNAs
can affect other lineages remains unidentified.
Consequently, we have investigated whether hematopoietic
miR-142-3p modulated the mesoderm formation. We account that
knockdown of miR-142-3p, a hematopoietic-specific miRNA, in
zebrafish occasioned in damage of hematopoiesis during
embryonic development. Interestingly, we detected abnormal
cardiac phenotypes and inadequacy of somitegenesis in
KD-morphants. In the early developmental phase, a tiny
heart, contractile dysfunction in the ventricle, cardiac
arrhythmia and bradycardia were constantly observed.
Histological examination exposed unadorned hypoplasia of the
ventricle and disrupted muscle alignment. To determine the
mechanism, we executed DNA microarray analysis. The results
exposed that the expression of several mesodermal genes
necessary for the development of cardiac and somatic
mesoderm, such as no tail, T-box gene 16, mesoderm posterior
a, one eye pinhead, and rho-associated, coiled-coil
containing protein kinase (Rock2a), were augmented in
miR-142-3p KD-morphants. In this paper, the characterization
and controlling the specification of definitive
hematopoiesis during the development of zebrafish has been
elaborated. |
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Title: |
Antioxidants content of
olive oil produced from two olive varieties at
differentharvesting stages |
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Author (s): |
Radwan Y. Ajo, Yousef H.
Tawalbeh, YahyaAL-Qudah, Walid M. Al-Rousan, Nazieh A. Al
Khalaileh and Baker M. Albow |
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Abstract: |
The objective of this study
was theinvestigation of the antioxidant content of olive oil
from two varieties Nabali and Rumiat different harvesting
stages in order to achieve the optimum harvesting date. The
proper harvesting dates were determined using maturation
index according to International Olive Council method. Our
results showed that the proper harvesting stage for Rumi
olives was during the periods October 24thtoOctober 28th,
whereas, the proper harvesting stage for Nabali olives was
between November 4thandNovember 7th. The acidity and
peroxide value of olive oil from two varieties was within
the range of extra virgin olive oil according to IOC. The
results showed a significant decrease in squalene contents
in Rumi and Nabali olive oil parallelly with the progress of
the harvesting stages. In general, most of antioxidants
contents of olive oil of the two selected olive varieties
were gradually increase up to the proper harvesting dates
then declined. |
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Title: |
Investigating the
variation of morphological and physiological traits of
native pear genotypes of Sardasht city |
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Author (s): |
Fereidoon Alipoor |
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Abstract: |
The pear, after apple,
considered as the most important grainy fruits of the world
and Iran. According to findings of researchers the west of
Iran is part of the center of origin pear fruit and the West
Azerbaijan province, according to the topographical status
and geographical conditions, its vegetation has great
diversity. Native Pear in this province, especially in the
highlands and jungles of Sardasht city as types of wild pear
has a great variety. Accordingly, investigating of the
morphological and physiological traits of native pear of
Sardasht based on national guideline tests for distinctness,
uniformity, and stability (DUS (was conducted. There were,
respectively 5and 9 traits of the shape of trees and
one-year branch, among morphological traits and among
physiological traits which 15 traits related to fruit, were
investigated. This research, all genotype kinds of native
pear, after identifying the trees and coding them was done
in two stages and the considered traits were written and in
a stage in the laboratory the chemical traits studied and
statistical investigations were done using SPSS software.
Chart analysis and resulted cluster analysis showed the
number of 8 types of native pear genotype and showed its
close relative value. In general, according to variance
analysis of biochemical traits, the correlation was observed
between all traits that most of the trees had abundant
diversity. The collection of key traits was, well able to
make differentiation and distinction between various native
pear trees of Sardasht area. |
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