Underground carbohydrate stores and storage organs in fire‐maintained longleaf pine savannas in Florida, USA

2021 ◽  
Vol 108 (3) ◽  
pp. 432-442
Author(s):  
Milton H. Diaz‐Toribio ◽  
Francis E. Putz
Keyword(s):  
Longleaf Pine ◽  
Storage Organs ◽  
Pine Savannas ◽  
In Fire ◽  
And Storage

Habitat Use Does not Reflect Habitat Quality for Henslow's Sparrows (Ammodramus Henslowii) Wintering in Fire-Managed Longleaf Pine Savannas

The Auk ◽  
2011 ◽  
Vol 128 (3) ◽  
pp. 564-576 ◽  
Author(s):  
Erik I. Johnson ◽  
Jennifer K. Dimiceli ◽  
Philip C. Stoufferi ◽  
Matthew E. Brooks
Keyword(s):  
Habitat Use ◽  
Habitat Quality ◽  
Longleaf Pine ◽  
Ammodramus Henslowii ◽  
Pine Savannas ◽  
In Fire

scholarly journals Expression of Mst89B and CG31287 is Needed for Effective Sperm Storage and Egg Fertilization in Drosophila

Cells ◽  
2021 ◽  
Vol 10 (2) ◽  
pp. 289
Author(s):  
Gurman Grewal ◽  
Bahar Patlar ◽  
Alberto Civetta
Keyword(s):  
Germ Line ◽  
Sperm Storage ◽  
Mature Sperm ◽  
Sperm Production ◽  
Cytogenetic Map ◽  
Egg Hatchability ◽  
Storage Organs ◽  
Competitive Success ◽  
Paternity Success ◽  
And Storage

In Drosophila, male reproductive fitness can be affected by any number of processes, ranging from development of gametes, transfer to and storage of mature sperm within the female sperm storage organs, and utilization of sperm for fertilization. We have previously identified the 89B cytogenetic map position of D. melanogaster as a hub for genes that effect male paternity success when disturbed. Here, we used RNA interference to test 11 genes that are highly expressed in the testes and located within the 89B region for their role in sperm competition and male fecundity when their expression is perturbed. Testes-specific knockdown (KD) of bor and CSN5 resulted in complete sterility, whereas KD of CG31287, Manf and Mst89B, showed a breakdown in sperm competitive success when second to mate (P2 < 0.5) and reduced fecundity in single matings. The low fecundity of Manf KD is explained by a significant reduction in the amount of mature sperm produced. KD of Mst89B and CG31287 does not affect sperm production, sperm transfer into the female bursa or storage within 30 min after mating. Instead, a significant reduction of sperm in female storage is observed 24 h after mating. Egg hatchability 24 h after mating is also drastically reduced for females mated to Mst89B or CG31287 KD males, and this reduction parallels the decrease in fecundity. We show that normal germ-line expression of Mst89B and CG31287 is needed for effective sperm usage and egg fertilization.

Phosphorus and species regulate N2 fixation by herbaceous legumes in longleaf pine savannas

Oecologia ◽  
2018 ◽  
Vol 187 (1) ◽  
pp. 281-290 ◽  
Author(s):  
Michael R. Ament ◽  
Julie A. Tierney ◽  
Lars O. Hedin ◽  
Erik A. Hobbie ◽  
Nina Wurzburger
Keyword(s):  
N2 Fixation ◽  
Longleaf Pine ◽  
Herbaceous Legumes ◽  
Pine Savannas

scholarly journals Drivers of plant functional group richness and beta diversity in fire‐dependent pine savannas

2019 ◽  
Vol 25 (7) ◽  
pp. 1024-1044 ◽  
Author(s):  
Johanna E. Freeman ◽  
Leda N. Kobziar ◽  
Erin H. Leone ◽  
Kent Williges
Keyword(s):  
Beta Diversity ◽  
Functional Group ◽  
Plant Functional Group ◽  
Pine Savannas ◽  
In Fire

Boundary Layer Effects in Ion Absorption by Roots and Storage Organs of Plants

1971 ◽  
Vol 25 (2) ◽  
pp. 219-224 ◽  
Author(s):  
E. O. POLLE ◽  
HANS JENNY
Keyword(s):  
Boundary Layer ◽  
Ion Absorption ◽  
Storage Organs ◽  
And Storage

STUDIES ON THE ROOTS AND STORAGE ORGANS OF HERBAGE PLANTS

1951 ◽  
Vol 6 (4) ◽  
pp. 197-206 ◽  
Author(s):  
Arthur Troughton
Keyword(s):  
Storage Organs ◽  
And Storage

scholarly journals Dispersal and establishment limitation slows plant community recovery in post-agricultural longleaf pine savannas

2017 ◽  
Vol 54 (4) ◽  
pp. 1100-1109 ◽  
Author(s):  
Nash E. Turley ◽  
John L. Orrock ◽  
Joseph A. Ledvina ◽  
Lars A. Brudvig
Keyword(s):  
Plant Community ◽  
Longleaf Pine ◽  
Community Recovery ◽  
Pine Savannas

Salt Tolerance and Regulation of Enzymes of Starch Synthesis in Cassava (Manihot esculenta Crantz)

1982 ◽  
Vol 9 (5) ◽  
pp. 509 ◽  
Author(s):  
JS Hawker ◽  
GM Smith
Keyword(s):  
Manihot Esculenta ◽  
Starch Synthesis ◽  
Starch Synthase ◽  
Manihot Esculenta Crantz ◽  
Adpglucose Pyrophosphorylase ◽  
Storage Organs ◽  
Porous Growth ◽  
Phosphoglyceric Acid ◽  
And Storage ◽  
Nutrient Solutions

The growth rate of cassava plants (Manihot esculenta cv. MAUS7) decreased with increasing concentrations of NaCl from 0 to 75 mM in nutrient solutions supplied regularly in a porous growth medium in a glasshouse. Tuber weight was reduced to one-half between 30 and 50 mM NaCl and there was some burning of apical leaves at 50 and 75 mM NaCl. By comparison with other plants, this cultivar of cassava can be considered to have medium sensitivity to salinity. Na+ and Cl- concentrations increased in all tissues with increasing concentrations of supplied NaCl, except that Na+ remained low in laminae until the 75 mM treatment. K+ levels decreased in tubers. Starch concentrations remained the same in tubers, and K+ stimulated starch bound ADPglucose starch synthase by 1 .5-fold. Leaves and tubers contained activities of ADPglucose pyrophosphorylase and ADPglucose-starch synthase similar to those found in leaves and storage organs of other starch synthesizing plants. ADPglucose pyrophosphorylase from leaves was stimulated 20-fold by 3-phosphoglyceric acid (3PGA) while the enzyme from tubers was almost completely dependent on 3PGA at pH 8.5. The A0.5 values for 3PGA (the concentration required for one-half maximal activation) for the leaf and tuber enzymes at pH 8.5 were 1.31 mM and 7.41 mM respectively. At pH 7.5 the leaf enzyme was stimulated 26-fold and the tuber enzyme was again almost completely dependent on 3PGA. The A0.5 values at pH 7.5 were 1.17 mM and 3.8 mM, respectively. The I0.5 values for PI (concentrations required to cause 50% inhibition) in the presence of 3PGA were 2 mM, 0.25 mM and 0.04 mM for leaf enzyme at pH 8.5 and tuber enzyme at pH 8.5 and 7.7 respectively. The results support the view that it is not possible to generalize about the magnitude of the control of ADPglucose synthesis in leaves as opposed to non-chlorophyllous tissues.

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