Abstract
The use of Rosmarinus officinalis, and other wild plant species, in the Mediterranean area is an interesting solution in order to avoid the desertification and rapid soil erosion, because of their good resistance to environmental conditions. Previous articles have described experiments designed to determine the impact of water stress at the plant level in this species, but more knowledge is required at the subcellular and ultrastructural levels. An anatomic and ultrastructural study of the leaves was conducted on Rosmarinus officinalis plants growing under different water treatments. In the leaves of water-stressed plants, the leaf water potential and turgor decreased, and leaf osmotic potential became more negative with respect to control plants. The anatomic investigations showed that both the mesophyll intercellular spaces and the epidermal cell size were reduced significantly under the more intense drought stress conditions. At the subcellular level, chloroplasts accumulated plastoglobuli and lipid bodies, and cuticle thickness was increased under water stress. In our experiment, the anatomic and ultrastructural modifications of Rosmarinus officinalis could be considered an additional adaptation to drought stress together with physiological and biochemical modifications as antioxidant accumulation.
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Claims 6
Claim · model-written summary
Water stress decreased leaf water potential and turgor relative to controls.
- Taxon
- Rosmarinus officinalis
Salvia rosmarinust0 - Organ / stage
- leavese0
- Treatment
- water-stressede0
- Outcome
- leaf water potential and turgore0
- Direction
- decreasede0
- Comparator
- control plantse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In the leaves of water-stressed plants, the leaf water potential and turgor decreased, and leaf osmotic potential became more negative with respect to control plants”
t0“Rosmarinus officinalis”
Claim · model-written summary
Water stress made leaf osmotic potential more negative than in controls.
- Taxon
- Rosmarinus officinalisSalvia rosmarinust0
- Treatment
- water-stressede1
- Outcome
- leaf osmotic potentiale0
- Direction
- more negativee0
- Comparator
- control plantse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“leaf osmotic potential became more negative with respect to control plants”
e1“In the leaves of water-stressed plants”
t0“Rosmarinus officinalis”
Claim · model-written summary
More intense drought significantly reduced mesophyll intercellular spaces and epidermal cell size.
- Taxon
- Rosmarinus officinalisSalvia rosmarinust0
- Treatment
- more intense drought stress conditionse0
- Outcome
- mesophyll intercellular spaces and the epidermal cell sizee0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“both the mesophyll intercellular spaces and the epidermal cell size were reduced significantly under the more intense drought stress conditions”
t0“Rosmarinus officinalis”
Claim · model-written summary
Water stress led chloroplasts to accumulate plastoglobuli and lipid bodies.
- Taxon
- Rosmarinus officinalisSalvia rosmarinust0
- Organ / stage
- chloroplastse0
- Treatment
- water stresse0
- Outcome
- accumulated plastoglobuli and lipid bodiese0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“chloroplasts accumulated plastoglobuli and lipid bodies, and cuticle thickness was increased under water stress”
t0“Rosmarinus officinalis”
Claim · model-written summary
Water stress increased cuticle thickness.
- Taxon
- Rosmarinus officinalisSalvia rosmarinust0
- Organ / stage
- cuticlee0
- Treatment
- water stresse0
- Outcome
- cuticle thicknesse0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“cuticle thickness was increased under water stress”
t0“Rosmarinus officinalis”
Claim · model-written summary
The observed leaf anatomy and ultrastructure changes may be an additional adaptation to drought stress.
- Taxon
- Rosmarinus officinalisSalvia rosmarinuse0
- Outcome
- additional adaptation to drought stresse0
- Qualifier
- anatomic and ultrastructural modificationse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the anatomic and ultrastructural modifications of Rosmarinus officinalis could be considered an additional adaptation to drought stress together with physiological and biochemical modifications as antioxidant accumulation”
The same questions in other papers
drought · physiology: water · Salvia rosmarinus (rosemary)Results agree
2 papers in the same direction as this paper
- negative
- negative
Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.